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Arginine Aspartate

  • Prescription medicine
  • Prescription only
  • Identity checked
  • Sources last checked 2026-09-04

This page shows what was measured, who it was measured in, and what that does not settle.

What Arginine Aspartate does in the body

For the temporary relief of minor muscle pain or inflammation, general weakness, muscle fatigue, diminished memory, confusion, or diminished sexual desire or performance.*

Why people take it. For the temporary relief of minor muscle pain or inflammation, general weakness, muscle fatigue, diminished memory, confusion, or diminished sexual desire or performance.*

What happened in people

RNAWiki has not yet published a reviewed conclusion for this use.

A fixed RNAWiki sentence

Where this came from

Wording RNAWiki always uses, not a finding about this substance.

No reviewed claim names a result for any goal on this record.

No source is stored against this line.

The limit that matters most

Not recorded.

Where it acts
Not recorded.
Kind of result
No result is published, so no kind of result applies yet
Supervision
RNAWiki has not recorded a supervision or regulatory status for this substance.

What the registries record it as

  • The substance registry classes this as chemical.

    FDA substance registry · LZB1G2I725 · read 2026-08-29

  • The supplement label database classes it as non-nutrient/non-botanical, under the name Arginine aspartate.

    NIH Dietary Supplement Label Database · 3781 · read 2026-08-29

Where each sentence above came from

The use the label states, quoted from it. No plain-language version of this sentence has been written.

The use the label states, quoted from it. It is written for a clinician, not for a reader without medical training.

No statement of the main limit is recorded.

The four opening statements run to 59 words.

Words this page uses

Four words worth knowing first

Chosen from what this page shows, with each one explained before the word it depends on.

Stand-in result

A stand-in result is a number measured because the real result takes too long.

A picture of it, and where the picture fails

It is like judging a journey by the speedometer rather than by arriving.

Where that stops being true. Speed does predict arrival. Many stand-in results do not predict the real one.

What people get wrong. A stand-in result is often reported as the result itself.

A surrogate endpoint substituted for a clinical endpoint, valid only where the substitution has been shown to hold.

Enzyme

An enzyme is a protein that speeds up one chemical change.

A picture of it, and where the picture fails

An enzyme is like a machine on a production line doing one cut.

Where that stops being true. A machine is switched on and off by a person. Enzymes are controlled by the cell.

What people get wrong. Enzymes are thought to be used up. They are not; they work again and again.

A catalytic protein that lowers the activation energy of a specific reaction.

Receptor

A receptor is a part of a cell that a signal fits into.

A picture of it, and where the picture fails

A receptor is like a lock waiting for one key.

Where that stops being true. A lock either opens or does not. A receptor can be half-triggered, or worn out.

What people get wrong. Fitting a receptor is read as causing a benefit. It causes a step, and nothing more.

A protein that binds a specific ligand and converts that binding into a cellular response.

Pathway

A pathway is a chain of steps inside a cell, each one setting off the next.

A picture of it, and where the picture fails

A pathway is like a row of dominoes.

Where that stops being true. Dominoes fall one way. Pathways loop back and can switch themselves off.

What people get wrong. Changing one step is read as changing the outcome. Other steps often absorb it.

An ordered series of molecular interactions producing a defined cellular change.

What happened in peopleRead from sources, not yet reviewed

What was measured, goal by goal

One row for each goal a registered study measured something for. One column for each kind of thing that could be measured.

Registered studies list 40 outcome measures that RNAWiki could read. A registered study says what someone planned to measure. It does not say what they found. 0 of the matched studies tested this substance, and 0 posted a result.

There is no single score. A strong test result and a weak life result are different facts.

Goals down the side, kinds of measurement across the top. Each cell says what kind of thing was registered, not what was found.
GoalLife outcomeWhat a body can doHow a person feelsA test resultA step in the bodyHarmsHow longWho was studied
FocusNothing in the sources checkedNo registered study lists a life outcome for this goal.Waiting for a reviewer4 registered performance measure of this kind.Nothing in the sources checkedNo registered study lists a symptom measure for this goal.Nothing in the sources checkedNo registered study lists a test result for this goal.Nothing in the sources checkedNo registered study lists a body-step measure for this goal.Not recordedHarms were not a registered measure for this goal.Not recordedNo finished study window is recorded.Waiting for a reviewerWho was studied is listed further down the page.
Blood sugarNothing in the sources checkedNo registered study lists a life outcome for this goal.Nothing in the sources checkedNo registered study lists a performance measure for this goal.Nothing in the sources checkedNo registered study lists a symptom measure for this goal.Only a number moved3 registered test measure.Nothing in the sources checkedNo registered study lists a body-step measure for this goal.Not recordedHarms were not a registered measure for this goal.Not recordedNo finished study window is recorded.Waiting for a reviewerWho was studied is listed further down the page.
CholesterolNothing in the sources checkedNo registered study lists a life outcome for this goal.Nothing in the sources checkedNo registered study lists a performance measure for this goal.Nothing in the sources checkedNo registered study lists a symptom measure for this goal.Only a number moved1 registered test measure.Nothing in the sources checkedNo registered study lists a body-step measure for this goal.Not recordedHarms were not a registered measure for this goal.Not recordedNo finished study window is recorded.Waiting for a reviewerWho was studied is listed further down the page.
StrengthNothing in the sources checkedNo registered study lists a life outcome for this goal.Waiting for a reviewer1 registered performance measure of this kind.Nothing in the sources checkedNo registered study lists a symptom measure for this goal.Nothing in the sources checkedNo registered study lists a test result for this goal.Nothing in the sources checkedNo registered study lists a body-step measure for this goal.Not recordedHarms were not a registered measure for this goal.Not recordedNo finished study window is recorded.Waiting for a reviewerWho was studied is listed further down the page.
Which registered measures put each goal on this table
Focus
cognitive function go no go task test; cognitive function phychomotor vigilance task test; cognitive function berg washington card sorting task test; cognitive function sternberg task test
Blood sugar
postprandial insulin secretion; index of cell sensitivity to glucose; whole body insulin sensitivity using the matsuda index
Cholesterol
changes in cholesterol metabolism
Strength
strength

Sorted by fixed word lists, version v1. A name the rules do not recognise stays unsorted rather than moving to the nearest column.

What each mark on this table means
Nothing in the sources checked
No registered study lists a life outcome for this goal.
Waiting for a reviewer
4 registered performance measure of this kind.
Not recorded
Harms were not a registered measure for this goal.
Only a number moved
3 registered test measure.

What happened in peopleRead from sources, not yet reviewed

What happened in people

Each card is one study: the exact question it asked, who was in it, and whether it showed what it set out to show.

Change in Limb Blood Flow

The study did not show it

Who was studied
NCT02966665
How many people
420
Study design
Phase 1
Compared against
Not recorded for this study
Kind of result
A number that stands in for health
What was found
Result not recorded on this page
Repeated elsewhere
Unreplicated

What this does not prove. A study that did not show an effect does not show that no effect exists anywhere.

The limits of this study, and where it came from

Main limit. No limitation is recorded for this study.

How far it carries. This study is recorded from the curated record, not from the registry match.

Form and route.

Interval reported. Not recorded in this summary

Written into the record, not signed off as a reviewed claim.

  • openFDA Drugs@FDA · a recorded source, not a stored snapshot
  • openFDA NDC Directory · a recorded source, not a stored snapshot
  • openFDA SPL label · a recorded source, not a stored snapshot
  • NIH Dietary Supplement Label Database · a recorded source, not a stored snapshot

WPSSI-III and Nine Hole peg test.

The study did not show it

Who was studied
NCT02331667
How many people
233
Study design
Not applicable
Compared against
Not recorded for this study
Kind of result
A number that stands in for health
What was found
Result not recorded on this page
Repeated elsewhere
Unreplicated

What this does not prove. A study that did not show an effect does not show that no effect exists anywhere.

The limits of this study, and where it came from

Main limit. No limitation is recorded for this study.

How far it carries. This study is recorded from the curated record, not from the registry match.

Form and route.

Interval reported. Not recorded in this summary

Written into the record, not signed off as a reviewed claim.

  • openFDA Drugs@FDA · a recorded source, not a stored snapshot
  • openFDA NDC Directory · a recorded source, not a stored snapshot
  • openFDA SPL label · a recorded source, not a stored snapshot
  • NIH Dietary Supplement Label Database · a recorded source, not a stored snapshot

Change of overt HE.

The study did not show it

Who was studied
NCT06483737
How many people
174
Study design
Not applicable
Compared against
Not recorded for this study
Kind of result
A number that stands in for health
What was found
Result not recorded on this page
Repeated elsewhere
Unreplicated

What this does not prove. A study that did not show an effect does not show that no effect exists anywhere.

The limits of this study, and where it came from

Main limit. No limitation is recorded for this study.

How far it carries. This study is recorded from the curated record, not from the registry match.

Form and route.

Interval reported. Not recorded in this summary

Written into the record, not signed off as a reviewed claim.

  • openFDA Drugs@FDA · a recorded source, not a stored snapshot
  • openFDA NDC Directory · a recorded source, not a stored snapshot
  • openFDA SPL label · a recorded source, not a stored snapshot
  • NIH Dietary Supplement Label Database · a recorded source, not a stored snapshot

Change in carotid-femoral pulse wave velocity compared with baseline and SHAM subgroup

The study did not show it

Who was studied
NCT02700958
How many people
160
Study design
Not applicable
Compared against
Not recorded for this study
Kind of result
A number that stands in for health
What was found
Result not recorded on this page
Repeated elsewhere
Unreplicated

What this does not prove. A study that did not show an effect does not show that no effect exists anywhere.

The limits of this study, and where it came from

Main limit. No limitation is recorded for this study.

How far it carries. This study is recorded from the curated record, not from the registry match.

Form and route.

Interval reported. Not recorded in this summary

Written into the record, not signed off as a reviewed claim.

  • openFDA Drugs@FDA · a recorded source, not a stored snapshot
  • openFDA NDC Directory · a recorded source, not a stored snapshot
  • openFDA SPL label · a recorded source, not a stored snapshot
  • NIH Dietary Supplement Label Database · a recorded source, not a stored snapshot

SOFA score

The study did not show it

Who was studied
NCT04513288
How many people
130
Study design
Not applicable
Compared against
Not recorded for this study
Kind of result
A number that stands in for health
What was found
Result not recorded on this page
Repeated elsewhere
Unreplicated

What this does not prove. A study that did not show an effect does not show that no effect exists anywhere.

The limits of this study, and where it came from

Main limit. No limitation is recorded for this study.

How far it carries. This study is recorded from the curated record, not from the registry match.

Form and route.

Interval reported. Not recorded in this summary

Written into the record, not signed off as a reviewed claim.

  • openFDA Drugs@FDA · a recorded source, not a stored snapshot
  • openFDA NDC Directory · a recorded source, not a stored snapshot
  • openFDA SPL label · a recorded source, not a stored snapshot
  • NIH Dietary Supplement Label Database · a recorded source, not a stored snapshot

ratio of arginine to ornithine concentration & ratio of arginine to ADMA

The study did not show it

Who was studied
NCT01718054
How many people
120
Study design
Phase 2/Phase 3
Compared against
Not recorded for this study
Kind of result
A number that stands in for health
What was found
Result not recorded on this page
Repeated elsewhere
Unreplicated

What this does not prove. A study that did not show an effect does not show that no effect exists anywhere.

The limits of this study, and where it came from

Main limit. No limitation is recorded for this study.

How far it carries. This study is recorded from the curated record, not from the registry match.

Form and route.

Interval reported. Not recorded in this summary

Written into the record, not signed off as a reviewed claim.

  • openFDA Drugs@FDA · a recorded source, not a stored snapshot
  • openFDA NDC Directory · a recorded source, not a stored snapshot
  • openFDA SPL label · a recorded source, not a stored snapshot
  • NIH Dietary Supplement Label Database · a recorded source, not a stored snapshot
What we know
RNAWiki holds 6 written-up human studies for this substance, each with the question it asked.
How we know it
Each card names the study, the number of people and what the study set out to measure.
What this does not prove
These summaries were written by a person and have not been signed off as reviewed claims.
Why it matters
A study that failed is as informative as one that worked, and both are here.
What we still do not know
No reviewed claim exists, so no exact population, effect size or interval is published yet.

What happened in peopleRead from sources, not yet reviewed

How close this is to real life

The top step is something a person would feel or care about. The bottom is a guess from software. Filled steps are where evidence exists for this substance.

  1. Living longer, or avoiding a major event Evidence recorded. Death, a heart attack, a stroke, a hospital stay.2 registered measures of this kind. No reviewed result.
  2. What a body can do day to day Evidence recorded. Walking, dressing, breathing, recovering.5 registered measures of this kind.
  3. Measured performance Evidence recorded. How much was lifted, how far was run, how fast.5 registered measures of this kind.
  4. Symptoms and quality of life Evidence recorded. Pain, tiredness, mood, sleep, as the person rated it.1 registered measure of this kind.
  5. A number that stands in for health Evidence recorded. Cholesterol, blood sugar, bone density. A stand-in, not the thing itself.11 registered measures of this kind.
  6. A step measured inside a person Evidence recorded. Something measured in human tissue or human cells.A human record sits on the stored organism ladder.
  7. Animals Evidence recorded. Mice, rats, dogs. Useful for ideas, not proof about people.Stored records in Yeast, C. elegans (roundworm), Drosophila (fruit fly), Mouse, Dog. A result in animals says what to test next. It does not say what happens in people.
  8. Cells in a dish Evidence recorded. Cells or chemistry on a bench, far from a whole body.Stored mechanism abstracts describe steps measured in cells or tissue.
  9. A guess from software No evidence recorded. Nobody measured it. RNAWiki never publishes one as a finding.RNAWiki stores no prediction for this record. Software can suggest a link. RNAWiki does not publish one as a finding.

Higher on these steps means closer to something a person would feel. It does not mean better done.

What it would be like to takeRead from sources, not yet reviewed

Felt, measured, or meaningful

Three different things that get called the same word. Registered studies measured all three, and mixing them is how a blood test becomes a health claim.

Felt

Things a person could notice without a test.

  • quality of life questionnaire

Measured

Things only a test, a scale or a device shows.

  • measures of liver function ast and alt
  • measures of liver function pt and ptt
  • measures of liver function coagulation factors
  • measures of liver function inr
  • corpuscular hemoglobin concentration
  • arterial blood pressure decrease
  • changes in cholesterol metabolism
  • postprandial insulin secretion
  • index of cell sensitivity to glucose
  • whole body insulin sensitivity using the matsuda index

and 2 more.

Meaningful

Things that change how a life goes, not only a number.

  • progression free survival
  • overall survival
  • cognitive function go no go task test
  • cognitive function phychomotor vigilance task test
  • cognitive function berg washington card sorting task test
  • cognitive function sternberg task test

A registered study says what someone planned to measure. It does not say what they found. A number moving is not the same as a life going better. The two are shown apart here.

Felt, but not shown to help. A person notices a change. No study showed it leads anywhere good.

Measured, but not felt. A number moves. The person notices nothing. Both can be true.

Measured, but not shown to matter. A number moves in the good direction. Nobody showed that lives went better.

Matters, but takes years. The result that counts may take longer than anyone would keep watching.

Names that fit none of the three (21)
  • vary by protocol
  • reduction in liver endotoxin production
  • maddrey s discriminant function
  • pancreatic perfusion
  • net protein balance
  • gardos channel activity
  • nitric oxide
  • pet determined pancreatic islet beta cell mass
  • fecal calprotectin levels
  • temperature gradient at 3h post surgery
  • length of hospital stay
  • cell function
  • nitric oxide metabolites
  • 13co2 production
  • total parenteral opioid use in iv morphine equivalents
  • reactive hyperemic index
  • incidence of preeclampsia
  • severity of preeclampsia
  • signs and symptoms of neurological disease
  • reporting adverse events /serious adverse events

These are harms, study-process measures, or names the rules did not recognise. They are shown rather than dropped.

What is missing or unclearRead from sources, not yet reviewed

Were people like you studied?

RNAWiki cannot tell whether a study fits you. It can show who was in it, and where the result stops carrying.

Who was studied

People similar to this profile were included.

  • R-Gene ® 10 is indicated as an intravenous stimulant to the pituitary for the release of human growth hormone in patients where the measurement of pituitary reserve for HGH can be of diagnostic usefulness.

Who is missing from the studies

  • Which groups were under-represented in the studies has not been recorded for this substance. Pregnancy, breastfeeding, children, older adults, and people with liver or kidney conditions are commonly excluded from trials; nothing here says whether they were.

Where the result stopped carrying

  • This is a scope explorer, not a diagnosis engine.
  • It shows who was studied so you can see whether people similar to you were included.

RNAWiki cannot tell whether a study fits you. It can show who was in it.

What it would be like to takeRead from sources, not yet reviewed

Why it might seem to do nothing

A real effect and a noticed effect are different things. These are the recorded reasons the two come apart.

It was studied for a different goal

The studies measured something else entirely.

On this record: Some registered studies measured things that match no goal on this page.

It was studied in different people

The people in the studies were not much like the reader.

On this record: Which groups were under-represented in the studies has not been recorded for this substance. Pregnancy, breastfeeding, children, older adults, and people with liver or kidney conditions are commonly excluded from trials; nothing here says whether they were.

The evidence may simply be wrong

Small early studies often do not hold up.

On this record: RNAWiki has not yet published a reviewed conclusion for this use.

Other reasons RNAWiki checked and found nothing for (10)
A different form was studied
The studied form is not the form on the shelf. Nothing in this record points to this reason.
There was nothing to correct
Where a level is already normal, topping it up may change nothing. Nothing in this record points to this reason.
Something else had to happen too
In the studies it was paired with training, a diet or another treatment. Nothing in this record points to this reason.
The change is too small to feel
A real change can still sit below what a person notices. Nothing in this record points to this reason.
Day-to-day swing hides it
Sleep, food, stress and time of day move most numbers more than this would. Nothing in this record points to this reason.
Not enough time yet
The studies ran longer than the person has waited. Nothing in this record points to this reason.
It was not taken as studied
Missed days change the result, and studies count them. Nothing in this record points to this reason.
Something else changed at the same time
Two changes at once cannot be told apart afterwards. Nothing in this record points to this reason.
The product may not be what it says
Contents of a sold product are not always what the label states. Nothing in this record points to this reason.
No recorded reason
RNAWiki has nothing stored that would explain it. Nothing in this record points to this reason.

None of these is a reason to take more. Taking more is not a step this page ever suggests.

What it would be like to takeRead from sources, not yet reviewed

What taking it involves

The recorded facts about getting hold of it and using it. Nothing here is a suggestion about what you should do.

How it is supplied

Prescription only

Quoted from a source

Where this came from

Copied from a source RNAWiki stored, with the source named.

Read from the recorded approval status.

No source is stored against this line.

Form and route

Not recorded.

Nothing recorded

Where this came from

RNAWiki holds nothing here and says so rather than guessing.

No form or route is recorded.

No source is stored against this line.

Who oversees it

RNAWiki has not recorded a supervision or regulatory status for this substance.

Quoted from a source

Where this came from

Copied from a source RNAWiki stored, with the source named.

No register row and no identity class settled the question.

No source is stored against this line.

What is in the pack

Not recorded.

Nothing recorded

Where this came from

RNAWiki holds nothing here and says so rather than guessing.

Nothing is recorded about product quality.

No source is stored against this line.

Where it is registered

Regulatory records are listed in the technical disclosure at the foot of this page.

Counted from records

Where this came from

A count of rows RNAWiki holds. It describes our records, not your body.

Register entries are stored per jurisdiction and shown with their dates.

No source is stored against this line.

Why people stop

Not recorded.

Nothing recorded

Where this came from

RNAWiki holds nothing here and says so rather than guessing.

No record of why people stopped taking it is stored for this substance.

No source is stored against this line.

What it would be like to takeNothing found in the sources checked

What can go wrong

Sorted by where each line came from. A regulator's label and a report somebody sent in are not the same kind of fact.

Nothing found in the sources checked

No harm is recorded against this substance in the sources RNAWiki checked. Finding nothing is not the same as showing there is nothing.

The sources listed were searched and held nothing. That is not the same as nothing existing.

Over a long time. No completed tested study window is recorded, so long-term effects are not established by the registry record.

Groups the studies covered thinly. Which groups were under-represented in the studies has not been recorded for this substance. Pregnancy, breastfeeding, children, older adults, and people with liver or kidney conditions are commonly excluded from trials; nothing here says whether they were.

What is missing or unclearRead from sources, not yet reviewed

Does the exact form matter?

Evidence belongs to the exact thing that was tested. A different salt, a different mixture or a different preparation is a different question.

The form that was studied

Not recorded.

Nothing recorded

Where this came from

RNAWiki holds nothing here and says so rather than guessing.

The exact form studied is not recorded.

No source is stored against this line.

What is sold

Not recorded.

Nothing recorded

Where this came from

RNAWiki holds nothing here and says so rather than guessing.

Nothing further is recorded about which forms are sold.

No source is stored against this line.

What is recorded as being sold

  • 5134 marketed supplement labels list this ingredient, classed as amino acid/protein, mineral, other combinations and single vitamin and mineral.

    NIH Dietary Supplement Label Database · 214824 · read 2026-08-29

  • Those labels carry all other, nutrient and structure/function claims. A claim of that kind is written by the manufacturer and is not assessed by any regulator, so its presence says nothing about whether it is true.

    NIH Dietary Supplement Label Database · 214824 · read 2026-08-29

Evidence carries across two names for one substance. It does not carry across a salt, a mirror form or a mixture.

What it would be like to takeRead from sources, not yet reviewed

What you could measure

This one is decided with a clinician, so this section holds questions to ask rather than a plan to run.

RNAWiki could not confidently classify this substance, so no self-experiment plan is offered.

Questions worth asking

  • Which of the trials of Arginine Aspartate studied people like me?
  • What was measured, and for how long?
  • Was the result a laboratory value or a health outcome?
  • What would we watch for, and when would we stop?

Tracking can show whether something changed for you. It cannot show what caused it.

RNAWiki records evidence. It does not say whether this substance is right for you.

What is missing or unclearRead from sources, not yet reviewed

What nobody knows yet

Open questions, each with why it is open and what would close it.

How fast does the body clear it?

The sources RNAWiki checked hold nothing for this field.

Why it matters. Without this, nothing on this page can say how long anything lasts.

What would answer it

A stored source that records it, and a reviewer to sign it off.

Last checked 2026-09-04. Searched: The sources listed in the receipts at the foot of this page.

Missing populations

Which groups were under-represented in the studies has not been recorded.

Why it matters. Recorded by the evidence model as a gap on this record.

What would answer it

A study that measures it, and a reviewer to sign it off.

Last checked 2026-09-04. Searched: The sources listed in the receipts at the foot of this page.

Missing long-term data

No completed tested study window is recorded.

Why it matters. Recorded by the evidence model as a gap on this record.

What would answer it

A study that measures it, and a reviewer to sign it off.

Last checked 2026-09-04. Searched: The sources listed in the receipts at the foot of this page.

No reviewed conclusion

RNAWiki has not yet published a reviewed conclusion for this use.

Why it matters. Recorded by the evidence model as a gap on this record.

What would answer it

A study that measures it, and a reviewer to sign it off.

Last checked 2026-09-04. Searched: The sources listed in the receipts at the foot of this page.

Missing interaction studies

No interaction was found in the registers checked. Not finding one is not the same as showing there is none.

Why it matters. Recorded by the evidence model as a gap on this record.

What would answer it

A study that measures it, and a reviewer to sign it off.

Last checked 2026-09-04. Searched: The sources listed in the receipts at the foot of this page.

Formulation uncertainty

Several salts, forms or products of Arginine Aspartate are recorded. Results from one form may not transfer to another.

Why it matters. Recorded by the evidence model as a gap on this record.

What would answer it

A study that measures it, and a reviewer to sign it off.

Last checked 2026-09-04. Searched: The sources listed in the receipts at the foot of this page.

Mechanism not reviewed

No reviewed mechanism story exists for this substance.

Why it matters. Recorded by the evidence model as a gap on this record.

What would answer it

A study that measures it, and a reviewer to sign it off.

Last checked 2026-09-04. Searched: The sources listed in the receipts at the foot of this page.

What happened in peopleRead from sources, not yet reviewed

Check any of this yourself

Every line above traced back to the study it came from. This is the technical layer, and the vocabulary changes here.

Where else this substance is registered

FDA substance identifier (UNII)
LZB1G2I725
CAS registry number
7675-83-4
PubChem compound
11500504
RxNorm concept
18254
EMA substance identifier
100000088484
European Chemicals Agency number
231-656-8

Checks this page had to pass

  • Passed

    Identity resolved

    no open identity hold

  • Passed

    No unresolved merge across substance families

    no quarantine open

  • Passed

    Every public sentence names a source

    The opening statement carries the origin: Quoted from a stored source.

  • Not passed

    Trial roles classified for highlighted evidence

    No registered study is classified as testing this substance.

  • Passed

    No internal keys in reader text

    enforced by the copy-contract test over the rendered page

  • Not passed

    Safety mode resolved

    No register row and no identity class settled the question.

  • Passed

    Canonical metadata present

    slug and display name present

What is missing or unclearRead from sources, not yet reviewed

What to learn next

Ordered by what would most change how you read this page, starting with what is easiest to misunderstand.

This order is fixed in code and does not count clicks or time on the page.

What is not here

7 questions this page could not answer

These sections were prepared and left out because there was nothing to put in them. They are listed rather than hidden, so the gaps in this record are visible.

  • The path through the body — found nothing in the sources checked.
  • How long anything takes — found nothing in the sources checked.
  • What it may clash with — found nothing in the sources checked.
  • Other ways to the same goal — found nothing in the sources checked.
  • Claims that go past the evidence — found nothing in the sources checked.
  • How this medicine reached us — found nothing in the sources checked.
  • What changed on this page — found nothing in the sources checked.

The record as stored

The full record, for auditing

Everything above is built from what is below. This layer keeps the technical vocabulary, record identifiers and every stored row, so a reader who wants to check the page can.

Recorded evidence blocks (11)

What did Arginine Aspartate's largest trial (1000 people) and its longest (13 years) measure?


1000 people in Arginine Aspartate's largest registered study, 13 years in its longest registered window, measuring Mean Corpuscular Hemoglobin Concentration. ClinicalTrials.gov · 2026-09-01

16 na, 15 phase2, 7 phase1, 6 phase3, 2 early phase1, 2 na or unstated, 2 phase4; NCT02447874; 2028-01; no ageing endpoint recorded. Last human test completed 2024, NCT05412160.

Interpretation These counts include studies where Arginine Aspartate was a comparison treatment, a background treatment or an exposure in an observational study, and the longest window may be a planned end date. Trial roles have not yet been classified for this record.

Show the evidence
  • na
    16
  • phase2
    15
  • phase1
    7
  • phase3
    6
  • early phase1
    2
  • na or unstated
    2
2 more recorded rows
  • phase4
    2
  • Last recorded human test NCT05412160
    2024-12-30

recorded 2026-09-01 · last checked 2026-09-04

From yeast to human: where has Arginine Aspartate shown lifespan?


C. elegans: lifespan, Drosophila: mechanism-only, yeast: mechanism-only, mouse: lifespan, dog: lifespan and human: biomarker (46): the rungs where Arginine Aspartate has a recorded finding. Europe PMC and ClinicalTrials.gov · organism ladder · 2026-09-01

Interpretation Mean Corpuscular Hemoglobin Concentration — the recorded outcome words.

Yeast mechanism-onlyC. elegans lifespanDrosophila mechanism-onlyMouse lifespanRat Dog lifespanNon-human primate Human biomarker
Show the evidence
  • C. elegans
    lifespan
  • Drosophila
    mechanism-only
  • yeast
    mechanism-only
  • mouse
    lifespan
  • dog
    lifespan
  • human NCT00513617
    biomarker; Mean Corpuscular Hemoglobin Concentration; 46

recorded 2026-09-01 · last checked 2026-09-04

8 of Arginine Aspartate's trials stopped: accrual/recruitment, other?


accrual/recruitment (2) and other (6): Arginine Aspartate's stop wording, clustered. ClinicalTrials.gov · 2026-09-01

"lack of enrollment"; 8 of 46 registered studies

Show the evidence

Trial

  • NCT00200746
    withdrawn; "lack of enrollment"
  • NCT00280085
    terminated; "Explanation provided in detailed descriptiong section of record."
  • NCT00569465
    terminated; "End of the study"
  • NCT02440061
    withdrawn; "This protocol was replaced with a different one and therefore discontinued."
  • NCT02838030
    suspended; "COVID-19 pandemic"
  • NCT02882373
    withdrawn; "Principal Investigator's Request"
2 further recorded trials
  • NCT05281562
    terminated; "Not enough patients meeting eligibility criteria to complete the study. It took months from study initiation to enroll 1 participant in February 2023. Once it was clear it was not possible to enroll another participant, the study was…"
  • NCT05932979
    withdrawn; "the investigation was cancelled because there was no monetary resource to complete it."

recorded 2026-09-01 · last checked 2026-09-04

Human studies of Arginine Aspartate used Arginine hydrochloride injection 10% — over how long?


Human studies of Arginine Aspartate used "Arginine hydrochloride injection 10%". ClinicalTrials.gov · 2026-09-01

1 recorded entry; human; injection

Show the evidence
  • human NCT07167693
    injection; Arginine hydrochloride injection 10%

recorded 2026-09-01 · last checked 2026-09-04

More Arginine Aspartate was worse in human: at what point?


Hormetic in human: "Additionally, the metabolism of caffeine, glutamine, arginine and purine was upregulated to induce hormesis in Cd0.5, which enhanced the synthesis of resistant substances such as spermidine, choline, IAA and saponins." Europe PMC · dose-response search · 2026-06-01

5 recorded sentences naming Arginine Aspartate; hormesis, biphasic

Show the evidence
  • hormesis PMID 38219579
    "Additionally, the metabolism of caffeine, glutamine, arginine and purine was upregulated to induce hormesis in Cd0.5, which enhanced the synthesis of resistant substances such as spermidine, choline, IAA and saponins."

biphasic

  • PMID 42075803
    "The superior efficacy of 10 μM L-arginine compared to 50 μM reflected a biphasic concentration-dependent response. <b>Conclusions</b>: L-arginine modulated two critical aspects of doxorubicin efficacy, intestinal absorption and cytotoxic activity."
  • PMID 42075803
    "The biphasic response emphasizes the importance of L-arginine dose optimization."
  • PMID 41900373
    "Results showed that L-arginine and its metabolites regulated hemolytic activity in a concentration-dependent biphasic manner, with agmatine exerting the most potent promoting effect."
  • "Isoleucine-substituted Dap(MO1)[13,20,24]LL-37 and Dap(MO2)[13,20,24]LL-37 analogs showed significant partial suppression of MPO secretion at both time points (p &lt; 0.001 at 24 h); arginine-substituted analogs exhibited a biphasic phenotype, activating release at 1 h comparably to LL-37 but significantly reducing MPO at 24 h (p &lt; 0.05)."

recorded 2026-06-01 · last checked 2026-09-04

Which of 13co2 production, arterial blood pressure decrease and cell function did Arginine Aspartate's trials measure?


13co2 production, arterial blood pressure decrease and cell function lead 40 outcome terms across Arginine Aspartate's trials. ClinicalTrials.gov · 2026-09-01

Interpretation pancreatic perfusion, measures of liver function ast and alt, measures of liver function pt and ptt, measures of liver function coagulation factors, measures of liver function inr and net protein balance follow.

Show the evidence
  • vary by protocol
    1
  • reduction in liver endotoxin production
    1
  • maddrey s discriminant function
    1
  • pancreatic perfusion
    1
  • measures of liver function ast and alt
    1
  • measures of liver function pt and ptt
    1
14 more recorded rows
  • measures of liver function coagulation factors
    1
  • measures of liver function inr
    1
  • net protein balance
    1
  • gardos channel activity
    1
  • nitric oxide
    1
  • corpuscular hemoglobin concentration
    1
  • arterial blood pressure decrease
    1
  • pet determined pancreatic islet beta cell mass
    1
  • fecal calprotectin levels
    1
  • changes in cholesterol metabolism
    1
  • temperature gradient at 3h post surgery
    1
  • length of hospital stay
    1
  • postprandial insulin secretion
    1
  • index of cell sensitivity to glucose
    1

recorded 2026-09-01 · last checked 2026-09-04

Which of Arginine Aspartate's 7 ongoing trials reports first?


7 registered trials of Arginine Aspartate are open; earliest completion 2026-12-31. ClinicalTrials.gov · 2026-09-01

Pharmacokinetics of IV arginine, measured by plasma arginine concentration over time; Gene expression via Illumina RNA sequencing; latest 2029-01

Show the evidence

Trial

  • NCT02447874
    "Arginine Therapy for the Treatment of Pain in Children With Sickle Cell Disease"; n 21; "Pharmacokinetics of IV arginine, measured by plasma arginine concentration over time"; 2028-01
  • NCT05306925
    "An Exploratory Study of Arginine Supplementation and the Postoperative Immune REsponse"; n 48; "Gene expression via Illumina RNA sequencing"; 2026-12-31
  • NCT05855330
    "Arginine Replacement Therapy in COVID-19"; n 21; "Change in mitochondrial function"; 2028-06
  • NCT06328686
    "Arginine and Whole Brain Radiation Therapy for the Treatment of Patients With Brain Metastases"; n 10; "Peak plasma L-arginine (arginine) and arginine metabolite concentration"; 2027-12-31
  • NCT06483737
    "Human Albumin Infusion in Liver Cirrhosis and Overt Hepatic Encephalopathy (HACHE)"; n 174; "Change of overt HE."; 2027-06-30
  • NCT07167693
    "Phase 1 Trial of Arginine Hydrochloride for the Management of Diabetic Ketoacidosis in Type 2 Diabetes"; n 60; "Change in endogenous insulin secretion (C-peptide/glucose ratio)"; 2027-12-31
  • 1 further recorded trial NCT07772882
    "Study of Supplemental Arginine With Chemotherapy and Immunotherapy in Platinum Resistant Ovarian, Fallopian Tube, and Peritoneal Cancer"; n 24; "Proportion of patients with serious adverse events"; 2029-01

recorded 2026-09-01 · last checked 2026-09-04

Which 20 trials of Arginine Aspartate posted no result?


Posted no result
20 of 20 completed trials
Registrations
NCT00047983, NCT00029731, NCT00000623, NCT01796678, NCT02844387 and NCT01682889, and 14 more
Completion dates
oldest 2004-04; newest 2024-08-23
Show the evidence

Trial

  • NCT00047983
    2004-04
  • NCT00029731
    2005-07
  • NCT00000623
    2006-07
  • NCT01796678
    2007-06
  • NCT02844387
    2008-12
  • NCT01682889
    2012-01
14 further recorded trials
  • NCT00497380
    2012-02-04
  • NCT00958997
    2012-05
  • NCT01598649
    2013-10
  • NCT03028285
    2017-01-26
  • NCT03031535
    2017-03
  • NCT02751437
    2018-03-31
  • NCT03580122
    2018-09-05
  • NCT02809170
    2019-06
  • NCT04079010
    2019-11-25
  • NCT04828278
    2021-03-01
  • NCT02499926
    2024-01-12
  • NCT06135792
    2024-02-13
  • NCT04786873
    2024-06-13
  • NCT06216262
    2024-08-23

At the median, Arginine Aspartate's trials enrolled 31 people — anything larger?


Median enrolment
31
Largest enrolment
1000
Registered trials counted
46

Was Arginine Aspartate studied with exercise?


exercise is named in Arginine Aspartate's label sentences: "Two-way (supplementation and time) repeated-measures analyses of variance showed that NO, L-arginine, and tetrahydrobiopterin levels in the H<sub>2</sub> inhalation group were significantly higher than those in the placebo group after exercise (D6) and remained higher after 24 h of rest (D7)." openfda-label+europepmc · 2024-12-16

1 recorded statement; exercise

Show the evidence
  • exercise
    Two-way (supplementation and time) repeated-measures analyses of variance showed that NO, L-arginine, and tetrahydrobiopterin levels in the H<sub>2</sub> inhalation group were significantly higher than those in the placebo group after exercise (D6) and remained higher after 24 h of rest (D7).

recorded 2024-12-16 · last checked 2026-09-04

What is recorded about Arginine Aspartate and NAD+?


"NAD⁺ supplementation blunts Th1 and Th17 inflammation, in part, through arginine metabolism-dependent regulation of mitochondrial energetics, redox balance and signal transduction." — where Arginine Aspartate and NAD+ appear together. Europe PMC · pathway abstract search · 2026-08-01

NAD+, sirtuin, mTOR, AMPK, autophagy; PMID 42677610, 42166856, 42176791, 42186568

Show the evidence
  • NAD+
    "NAD⁺ supplementation blunts Th1 and Th17 inflammation, in part, through arginine metabolism-dependent regulation of mitochondrial energetics, redox balance and signal transduction."

sirtuin

  • "Genetic depletion or pharmacologic inhibition of SIRT5 attenuated NR-mediated increases in arginine and fumarate and abolished the anti-inflammatory -effects of NR on Th1 and Th17 cytokine production."
  • "Mechanistically, SIRT5 physically interacted with arginosuccinate lyase (ASL), promoted ASL-dependent arginine accumulation, and regulated ASL post-translational acylation, including glutarylation and malonylation."
  • "Collectively, these findings identify SIRT5 as a critical mediator of NAD⁺ precursor-induced metabolic remodeling that links ASL-dependent arginine metabolism to redox balance and effector function in human CD4⁺ T cells."
  • NAD+
    "Collectively, these findings identify SIRT5 as a critical mediator of NAD⁺ precursor-induced metabolic remodeling that links ASL-dependent arginine metabolism to redox balance and effector function in human CD4⁺ T cells."
  • mTOR PMID 42677610
    "In vitro assays confirmed l-arginine alleviated macrophage inflammation through the AMPK-mTOR/NF-κB axis."

AMPK

  • PMID 42677610
    "In vitro assays confirmed l-arginine alleviated macrophage inflammation through the AMPK-mTOR/NF-κB axis."
  • PMID 42677610
    "Collectively, C-LPE3 mitigates colitis through a microbiota-l-arginine-AMPK regulatory axis, supporting its development as a gut-health functional food ingredient."
  • mTOR PMID 42166856
    "Together, these findings define an immunometabolic axis-AMPK/mTOR-arginine-TCA cycle coupling-that dictates microglial fate after stroke, and suggests VK as a therapeutic agent capable of concurrently targeting neuroinflammation, mitochondrial dysfunction, and metabolic imbalance."
  • AMPK PMID 42166856
    "Together, these findings define an immunometabolic axis-AMPK/mTOR-arginine-TCA cycle coupling-that dictates microglial fate after stroke, and suggests VK as a therapeutic agent capable of concurrently targeting neuroinflammation, mitochondrial dysfunction, and metabolic imbalance."
  • mTOR PMID 42176791
    "Resistant cells also displayed persistent mTORC1 activation and blunted autophagic flux; mTORC1 inhibition restored autophagy and niraparib sensitivity but attenuated the incremental benefit of arginine deprivation, identifying mTORC1-constrained autophagy as a key determinant of this vulnerability."

autophagy

  • PMID 42176791
    "Resistant cells also displayed persistent mTORC1 activation and blunted autophagic flux; mTORC1 inhibition restored autophagy and niraparib sensitivity but attenuated the incremental benefit of arginine deprivation, identifying mTORC1-constrained autophagy as a key determinant of this vulnerability."
  • PMID 42186568
    "The results showed that the imbalance of arginine (deficiency or excess) inhibited the growth of cells and disrupted cell homeostasis by increasing the level of autophagy, ER stress, as well as apoptosis."
  • PMID 41692973
    "We further highlight the therapeutic potential of targeting ferritinophagy and propose future research directions aimed at harnessing this pathway for the treatment of organ injuries.<b>Abbreviations:</b> 3-MA: 3-methyladenine; ACO1/IRP1: aconitase 1; AKI: acute kidney injury; ARDS: acute respiratory distress syndrome; ATG: autophagy related; BECN1: beclin 1; CARM1/PRMT4: coactivator associated…"

recorded 2026-08-01 · last checked 2026-09-04

Where it is registered
Identifiers, relations and other names

The exact record

ChEMBL id
CHEMBL6068508
PubChem CID
11500504
CAS number
7675-83-4
RxCUI
18254
InChIKey
SUUWYOYAXFUOLX-ZBRNBAAYSA-N
Also called
Arginine l-aspartate, Arginine, l-, l-aspartate (1:1), Aspartic acid compound with l-arginine, Sargenor, Targifor, ARGININE ASPARTATE [EP MONOGRAPH], ARGININE ASPARTATE [MART.], ASPARTIC ACID COMPOUND WITH L-ARGININE [MI], ASPARTIC ACID, L-, COMPD. WITH L-ARGININE (1:1), Arginine L-aspartate [WHO-DD], Arginine aspartate [WHO-DD], L-ASPARTIC ACID, COMPD. WITH L-ARGININE (1:1)
Salt form
Arginine, Arginine Hydrochloride
Trade name
R-Gene 10, L-Arginine 7401, Non-Proprietary Name, R-Gene, L-Arginine High 7402, R-Gene 10 / L-Arginine 7401 / Non-Proprietary Name / R-Gene / L-Arginine High 7402
Sources (9)

Sources

  • ClinicalTrials.gov clinicaltrials.gov ·
  • ClinicalTrials.gov ClinicalTrials.gov API v2 snapshot 2026-09-01T09:00:05 ·
  • this record's own fields 2,3,5 ·
  • Europe PMC dose-response search ·
  • Europe PMC pathway abstract search ·
  • Europe PMC search ·
3 more sources

ClinicalTrials.gov — US Government work · Europe PMC — metadata only, under the recorded legal gate · derived from this page's own recorded fields; no external licence · mixed register set; per-register licences in docs/specs/corpus-20k-sources.md · openFDA / DailyMed — US Government work

How these records are assembled · Which registers were checked

Index-quality checks
  • identity passed: no open identity hold
  • required summary fields resolved: 4 required field(s) not terminal: Why people use it, Best-supported result, Biggest unanswered question, Human evidence
  • public claims reviewed: 0 reviewed claim(s); drafts are never rendered
  • source coverage passed: 9 source rows
  • no critical contamination: no quarantine open
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