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Aspartame

  • Dietary supplement
  • Varies by country
  • 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 Aspartame does in the body

RNAWiki has not recorded what this substance changes in the body.

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
Not usually supervised: sold as a supplement or food ingredient where recorded. That is a legal category, not a safety judgement.

What the registries record it as

  • The substance registry classes this as chemical.

    FDA substance registry · Z0H242BBR1 · read 2026-08-29

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

    NIH Dietary Supplement Label Database · 1055 · read 2026-08-29

Where each sentence above came from

No plain explanation of what this changes is stored.

No recorded use is stored in reader language.

No statement of the main limit is recorded.

The four opening statements run to 26 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 9 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
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 moved2 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.
Body weightNothing 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.
Which registered measures put each goal on this table
Blood sugar
change oral glucose tolerance; blood glucose level
Body weight
body weight from baseline

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.
Only a number moved
2 registered test measure.
Not recorded
Harms were not a registered measure for this goal.
Waiting for a reviewer
Who was studied is listed further down the page.

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 from Baseline Added-Sugar Consumption at 6 Weeks

The study did not show it

Who was studied
NCT05823597
How many people
702
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. Oral

Interval reported. Not recorded in this summary

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

  • 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
  • PubChem PUG-REST · a recorded source, not a stored snapshot

Aronchick scale

The study did not show it

Who was studied
NCT03992365
How many people
472
Study design
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. Oral

Interval reported. Not recorded in this summary

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

  • 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
  • PubChem PUG-REST · a recorded source, not a stored snapshot

Weight Change at 6 months

The study did not show it

Who was studied
NCT04567108
How many people
461
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. Oral

Interval reported. Not recorded in this summary

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

  • 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
  • PubChem PUG-REST · a recorded source, not a stored snapshot

Mortality

The study did not show it

Who was studied
NCT04542473
How many people
400
Study design
Phase 2/Phase 3
Compared against
Not recorded for this study
Kind of result
Living longer, or avoiding a major event
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. Oral

Interval reported. Not recorded in this summary

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

  • 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
  • PubChem PUG-REST · a recorded source, not a stored snapshot

24-hour triglyceride area under the curve

The study did not show it

Who was studied
NCT01103921
How many people
214
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. Oral

Interval reported. Not recorded in this summary

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

  • 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
  • PubChem PUG-REST · a recorded source, not a stored snapshot

Body Weight

The study did not show it

Who was studied
NCT02928653
How many people
187
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. Oral

Interval reported. Not recorded in this summary

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

  • 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
  • PubChem PUG-REST · 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 No evidence recorded. Death, a heart attack, a stroke, a hospital stay.No registered study measures this.
  2. What a body can do day to day No evidence recorded. Walking, dressing, breathing, recovering.No registered study measures this.
  3. Measured performance No evidence recorded. How much was lifted, how far was run, how fast.No registered study measures this.
  4. Symptoms and quality of life No evidence recorded. Pain, tiredness, mood, sleep, as the person rated it.No registered study measures this.
  5. A number that stands in for health Evidence recorded. Cholesterol, blood sugar, bone density. A stand-in, not the thing itself.3 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 C. elegans (roundworm), Rat. 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.

No registered study measured anything of this kind.

Measured

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

  • body weight from baseline
  • change oral glucose tolerance
  • blood glucose level

Meaningful

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

No registered study measured anything of this kind.

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 (6)
  • performance
  • glp 1 secretion change sucralose
  • salivary flow from baseline
  • brain function
  • disinhibited eating behavior
  • body mass

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.

  • HOMEOPATHIC INDICATIONS: For temporary relief of symptoms related to food additives, herbicides and insecticides including muscle weakness, skin irritation, poor muscle coordination, headache, cough, occasional diarrhea, dizziness, fatigue, fever, stomach pain and vomiting. **These statements are based upon homeopathic principles. They have not been reviewed by the Food and Drug Administration.

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

Varies by country

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

Oral

Source-linked record

Where this came from

A person wrote this into the record with the study named beside it. No reviewer has signed it off.

The form and route recorded on this substance.

No source is stored against this line.

Who oversees it

Not usually supervised: sold as a supplement or food ingredient where recorded. That is a legal category, not a safety judgement.

Quoted from a source

Where this came from

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

The identity record classes it as a supplement ingredient; no medicines register records an approval.

No source is stored against this line.

What is in the pack

Sold as liquid, given by the oral route.

Source-linked record

Where this came from

A person wrote this into the record with the study named beside it. No reviewer has signed it off.

Recorded notes on how this is sold and what that means for what is in the pack.

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.

Reports sent to a regulator

  • These are reports people sent to a regulator. They do not show the medicine caused the reaction.
  • Nobody counted how many people took the medicine and reported nothing.
  • The same event can be reported more than once, and many reports are incomplete.
  • News coverage, lawsuits and new warnings change how often people report.
  • A count is not a rate and not a risk.

Aspartame appears in spontaneous reports to regulators. Across the 1 most-reported reaction terms, 38 reaction mentions were counted. One report can name several reactions.

The recorded terms (1)
  • drug hypersensitivity — 38 reaction mentions
  • open-targets-adr · recorded 2026-06-24 · a recorded source, not a stored snapshot

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

Oral

Source-linked record

Where this came from

A person wrote this into the record with the study named beside it. No reviewer has signed it off.

The form used in the studies cited on this page.

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

  • 12 products list this as an active ingredient in the United States drug directory. None of them contains it on its own, so nothing on this page can separate it from what it is combined with.

    FDA National Drug Code directory · 43742-2066 · read 2026-08-29

  • They are sold as liquid, taken oral.

    FDA National Drug Code directory · 43742-2066 · read 2026-08-29

  • 12 published labels name it as an active ingredient. None of them describes this substance alone, so no label text on this page can be attributed to it rather than to a combination.

    US prescribing information · 8a3b75ca-8fec-4318-8a55-8bde0b82637d · read 2026-08-29

  • Those labels are classed as human otc drug.

    US prescribing information · 8a3b75ca-8fec-4318-8a55-8bde0b82637d · read 2026-08-29

  • 951 marketed supplement labels list this ingredient, classed as botanical with nutrients, fiber and other nutrients, non-nutrient/non-botanical and other combinations.

    NIH Dietary Supplement Label Database · 179189 · read 2026-08-29

  • Those labels carry all other, approved health and nutrient 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 · 179189 · 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

Watching one thing carefully can tell you whether it moved. It cannot tell you what moved it.

This is sold without a prescription, so a person can sensibly watch one thing and see whether it moves.

  1. Pick one goal. One goal only. Two at once cannot be told apart afterwards.

  2. Pick one thing to watch. Registered studies measured things like: body weight from baseline; change oral glucose tolerance; blood glucose level.

  3. Measure before you start. Take the same measurement several times first. One reading is not a starting point.

  4. Know the swing. Write down how much it moves on its own across a normal week.

  5. Change one thing. Change nothing else at the same time, including training and sleep.

  6. Give it the study length. No finished study window is recorded, so no length is suggested here.

  7. Track whether you took it. Missed days are the most common reason a home test shows nothing.

  8. Read the trend. Look at the line across weeks. A single reading tells you almost nothing.

What not to measure

  • Anything that swings more day to day than the change you are looking for.
  • A wearable estimate of sleep stages, which is an estimate and not a measurement.
  • Weight on one morning, which mostly records water.
  • A feeling you did not write down before starting.

When to stop

  • Stop if something new and unpleasant starts, and ask a pharmacist or doctor.
  • Stop if you cannot keep everything else steady, because the result will not mean anything.
  • Stop at the end of the window you set, and read the trend then.

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

RNAWiki does not work out an amount for anyone.

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 much did people take in the studies?

The sources RNAWiki checked hold nothing for this field.

Why it matters. A result belongs to an amount. Without the amount the result floats free.

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.

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 Aspartame 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)
Z0H242BBR1
CAS registry number
22839-47-0
PubChem compound
134601
ChEMBL
CHEMBL171679
ChEBI
2877
WHO international nonproprietary name list entry
3019
RxNorm concept
1311524
EMA substance identifier
100000139218
European Chemicals Agency number
245-261-3
DrugBank
DB00168

Checks this page had to pass

  • Passed

    Identity resolved

    no open identity hold

  • Passed

    No unresolved merge across substance families

    no quarantine open

  • Not passed

    Every public sentence names a source

    The opening statement carries no source: the record holds neither an explanation nor a recorded use.

  • 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

  • Passed

    Safety mode resolved

    The identity record classes it as a supplement ingredient; no medicines register records an approval.

  • Passed

    Canonical metadata present

    slug and display name present

What is missing or unclearRead from sources, not yet reviewed

How this medicine reached us

Kept near the foot of the page. A historical event moves up only when it changes something about this substance today.

What the approval register records

  • The earliest marketing start date recorded for a listed product is 19840815.

    FDA National Drug Code directory · 43742-2066 · read 2026-08-29

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

6 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.
  • 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 Aspartame's largest trial (120 people) and its longest (6.4 years) measure?


120 people in Aspartame's largest registered study, 6.4 years in its longest registered window, measuring Performance (time to complete a physical performance task). ClinicalTrials.gov · 2026-09-01

10 na, 2 phase1, 2 phase2, 1 na or unstated; NCT01200940; 2017-03-30; no ageing endpoint recorded. Last human test completed 2025, NCT06576674.

Interpretation These counts include studies where Aspartame 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
    10
  • phase1
    2
  • phase2
    2
  • na or unstated
    1
  • Last recorded human test NCT06576674
    2025-04-09

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

From C. elegans to human: where has Aspartame shown lifespan?


C. elegans: lifespan, rat: lifespan and human: mechanism-only (13): the rungs where Aspartame has a recorded finding. Europe PMC and ClinicalTrials.gov · organism ladder · 2026-09-01

Interpretation Performance (time to complete a physical performance task) — the recorded outcome words.

Yeast C. elegans lifespanDrosophila Mouse Rat lifespanDog Non-human primate Human mechanism-only
Show the evidence
  • C. elegans
    lifespan
  • rat
    lifespan
  • human NCT00731510
    mechanism-only; Performance (time to complete a physical performance task); 13

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

More Aspartame was worse in human: at what point?


Hormetic in human: "Notably, MBGS exhibited broad adaptive tolerance to varying aspartame concentrations, displaying a typical hormetic response: low-level aspartame exposure exerted a stimulatory effect on MBGS performance, whereas high-level exposure triggered evident inhibitory impacts." Europe PMC · dose-response search · 2026-08-26

5 recorded sentences naming Aspartame; hormetic, dose-response, dose response

Show the evidence

hormetic

  • PMID 42648381
    "Notably, MBGS exhibited broad adaptive tolerance to varying aspartame concentrations, displaying a typical hormetic response: low-level aspartame exposure exerted a stimulatory effect on MBGS performance, whereas high-level exposure triggered evident inhibitory impacts."
  • PMID 42648381
    "This study not only elucidates aspartame's environmental behavior and ecological risks but also provides a novel theoretical framework for leveraging the hormetic effect in MBGS-based treatment of artificial sweetener wastewater."

dose-response

  • PMID 35055501
    "Studies performed in mice suggest a dose-response relationship between intake of saccharin or aspartame, two artificial sweeteners, and sperm and testis function."
  • PMID 31108762
    "The objective of the current study was to profile and compare the temporal sweetness and qualitative differences of 15 sweeteners to sucrose across nutritive saccharide (sucrose, dextrose, fructose, allulose (D-psicose), palatinose (isomaltulose), sucrose-allulose mixture), nutritive polyol (maltitol, erythritol, mannitol, xylitol, sorbitol) and non-nutritive (acesulfame-k, aspartame, sucralose,…"
  • dose response PMID 20067980
    "The gamma dose response of free radicals generated in irradiated aspartame tablets and its usability for emergency dosimetry was studied."

recorded 2026-08-26 · last checked 2026-09-04

Could one person measure Aspartame's effect on performance?


Performance: measured in Aspartame's trials.

Interpretation performance is the recorded endpoint.

Show the evidence

biomarkers

  • performance; 2026-09-01
  • glp 1 secretion change sucralose; 2026-09-01
  • salivary flow from baseline; 2026-09-01
  • body weight from baseline; 2026-09-01
  • change oral glucose tolerance; 2026-09-01
  • blood glucose level; 2026-09-01
3 more recorded rows
  • biomarkers
    brain function; 2026-09-01
  • biomarkers
    disinhibited eating behavior; 2026-09-01
  • biomarkers
    body mass; 2026-09-01
  • human trials at or under30
    3
  • Not recorded for this substance
    a recorded half-life
  • smallest human trial
    12; NCT02934321; NA; the smallest recorded human enrolment at or below 30; the registry states no direction of its result; COMPLETED

Which of blood glucose level, body mass and body weight from baseline did Aspartame's trials measure?


blood glucose level, body mass and body weight from baseline lead 9 outcome terms across Aspartame's trials. ClinicalTrials.gov · 2026-09-01

Interpretation body weight from baseline, change oral glucose tolerance, blood glucose level, brain function, disinhibited eating behavior and body mass follow.

Show the evidence
  • performance
    1
  • glp 1 secretion change sucralose
    1
  • salivary flow from baseline
    1
  • body weight from baseline
    1
  • change oral glucose tolerance
    1
  • blood glucose level
    1
3 more recorded rows
  • brain function
    1
  • disinhibited eating behavior
    1
  • body mass
    1

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

What will the one ongoing trial of Aspartame report, and when?


1 registered trial of Aspartame is open; earliest completion 2026-06. ClinicalTrials.gov · 2026-09-01

Interpretation P-selectin, a platelet surface marker, assessed as median fluorescence intensity

Show the evidence
  • Trial NCT05967741
    "The Effects of Dietary Erythritol on Platelet Reactivity and Vascular Inflammation"; n 24; "P-selectin, a platelet surface marker, assessed as median fluorescence intensity"; 2026-06

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

Which 9 trials of Aspartame posted no result?


Posted no result
9 of 9 completed trials
Registrations
NCT01799096, NCT00731510, NCT01115088, NCT04804397, NCT01200940 and NCT02999321, and 3 more
Completion dates
oldest 2008-10; newest 2021-01-01
Show the evidence

Trial

  • NCT01799096
    2008-10
  • NCT00731510
    2008-12
  • NCT01115088
    2010-04
  • NCT04804397
    2013-06
  • NCT01200940
    2017-03-30
  • NCT02999321
    2017-05-05
3 further recorded trials
  • NCT02934321
    2019-08-23
  • NCT02548767
    2020-03-13
  • NCT03708939
    2021-01-01

At the median, Aspartame's trials enrolled 60 people — anything larger?


Median enrolment
60
Largest enrolment
120
Registered trials counted
13

What do 38 spontaneous reports say about Aspartame — and not say?


These are reports people sent to a regulator. They do not show the medicine caused the reaction. Nobody counted how many people took the medicine and reported nothing. The same event can be reported more than once, and many reports are incomplete. News coverage, lawsuits and new warnings change how often people report. A count is not a rate and not a risk.

Aspartame appears in spontaneous reports to regulators. Across the 1 most-reported reaction term, 38 reaction mentions were counted: drug hypersensitivity 38. open-targets-adr · CHEMBL171679 · 2026-06-24

Show the evidence
  • drug hypersensitivity
    38

recorded 2026-06-24 · last checked 2026-09-04

Was Aspartame studied with fasting and exercise?


fasting and exercise are named in Aspartame's label sentences: "During the longer visit, participants underwent fasting BG testing before consuming a 500 ml beverage of either a 0.05% aspartame solution, an 11% sucrose solution, or water (with these beverage groups randomized)." openfda-label+europepmc · 2026-01-08

2 recorded statements; fasting, exercise

Show the evidence
  • fasting
    During the longer visit, participants underwent fasting BG testing before consuming a 500 ml beverage of either a 0.05% aspartame solution, an 11% sucrose solution, or water (with these beverage groups randomized).
  • exercise
    Thirty minutes before exercise, participants ingested a drink containing either 250 mg of caffeine + 10 g of glucose + aspartame (CAF), 10 g of glucose + aspartame (GLU), or aspartame alone (ASP).

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

What is recorded about Aspartame and mTOR?


"Further in vitro experiments demonstrated that aspartame inhibited SIRT1 and the PI3K/AKT/mTOR pathway, increased ROS levels, and promoted apoptosis; these effects were reversed by SIRT1 overexpression." — where Aspartame and mTOR appear together. Europe PMC · pathway abstract search · 2026-08-17

mTOR, sirtuin, autophagy, NAD+; PMID 42604715, 38672209, 30373500

Show the evidence
  • mTOR PMID 42604715
    "Further in vitro experiments demonstrated that aspartame inhibited SIRT1 and the PI3K/AKT/mTOR pathway, increased ROS levels, and promoted apoptosis; these effects were reversed by SIRT1 overexpression."

sirtuin

  • PMID 42604715
    "Further in vitro experiments demonstrated that aspartame inhibited SIRT1 and the PI3K/AKT/mTOR pathway, increased ROS levels, and promoted apoptosis; these effects were reversed by SIRT1 overexpression."
  • PMID 38672209
    "In silico and in vitro analyses showed that aspartame could target and reduce the expression of SIRT1 and FOXO3a proteins in neuron cells."
  • PMID 38672209
    "Additionally, aspartame triggered the reduction of autophagy flux by inhibiting the nuclear translocation of SIRT1 in neuronal cells."

autophagy

  • PMID 38672209
    "Additionally, aspartame triggered the reduction of autophagy flux by inhibiting the nuclear translocation of SIRT1 in neuronal cells."
  • "This study reveals that aspartame can enhance innate immunity, extend lifespan and healthspan, and improve antioxidant capacity in Caenorhabditis elegans by activating the evolutionarily conserved autophagy pathway."
  • mTOR PMID 30373500
    "mTOR: mammalian target of rapamycin; SD: Sprague-Dawley; SPF: Specific-pathogen free; ROS: reactive oxygen species; TUNEL: terminal transferase uridyl nick end labelling; DCFH-DA: Dichloro-dihydro-fluorescein diacetate; Fluo-3A: Fluo-3 acetoxymethyl ester; NMDAR: non-competitive N-methyl-D-aspartame glutamate receptor; 4E-BP1: 4E binding protein 1; p70S6K: p70 S6 Kinase; PCR: Polymerase chain…"

NAD+

  • "The aspartame content in aqueous solutions is determined by enzymatic cleavage into aspartic acid and phenylalanine methyl ester using peptidase, followed by a detection reaction cocatalysed by adenine dinucleotide, wherein either the phenylalanine is, after elimination of the ester group by means of chymotrypsin, converted by phenylalanine dehydrogenase in the presence of NAD< +> into…"
  • "The aspartame content in aqueous solutions is determined by enzymatic cleavage into aspartic acid and phenylalanine methyl ester using peptidase, followed by a detection reaction cocatalysed by adenine dinucleotide, wherein either the phenylalanine is, after elimination of the ester group by means of chymotrypsin, converted by phenylalanine dehydrogenase in the presence of NAD+ into…"

recorded 2026-08-17 · last checked 2026-09-04

Where it is registered
Identifiers, relations and other names

The exact record

ChEMBL id
CHEMBL171679
PubChem CID
134601
CAS number
22839-47-0
RxCUI
1311524
InChIKey
IAOZJIPTCAWIRG-QWRGUYRKSA-N
Development code
APM, E-951, NSC-758953, SC-18862
Also called
Aspartam, Aspartamo, Ins-951, Ins no.951, Methyl aspartylphenylalanate, Nutrasweet, Pal sweet, Sladex, Zero-cal, ASPARTAME [EP MONOGRAPH], ASPARTAME [FCC], ASPARTAME [FHFI]
Trade name
Equal, Addiclenz, Spectric, Insecticides/Pest/Food Additives Detox, Additox, Multi-Phenolic, Thio Combination 9306, Addiclenz / Spectric / Insecticides/Pest/Food Additives Detox / Additox / Multi-Phenolic / Thio Combination 9306
Sources (9)

Sources

3 more sources

ClinicalTrials.gov — US Government work · Europe PMC — metadata only, under the recorded legal gate · Open Targets 26.06 — CC0 · 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: 5 required field(s) not terminal: Why people use it, Best-supported result, Most important common problem, 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
  • canonical metadata passed: slug and display name present
  • no raw internal fields: enforced by the copy-contract test over the rendered page

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