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Thioctic ACID, (-)-

  • 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 Thioctic ACID, (-)- 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 supplement label database classes it as non-nutrient/non-botanical, under the name Alpha Lipoic Acid.

    NIH Dietary Supplement Label Database · 8 · read 2026-08-29

  • Its recorded molecular formula is C8H14O2S2, weighing 206.3.

    PubChem record · 864 · 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.

Formulation

A formulation is the exact made-up form a substance comes in.

A picture of it, and where the picture fails

It is like the difference between a whole bean and instant coffee.

Where that stops being true. Coffee tastes different. A formulation can change how much reaches the blood.

What people get wrong. Two products with the same name are assumed to behave the same. They often do not.

The specific composition and physical form of a product, including salt, excipients and release profile.

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 32 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
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.
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 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.
Healthy ageingWaiting for a reviewer1 registered study measure of this kind. No reviewed result yet.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.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
Strength
muscle strength
Blood sugar
insulin sensitivity
Healthy ageing
mortality

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
1 registered performance measure of this kind.
Not recorded
Harms were not a registered measure for this goal.
Only a number moved
1 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.

Major Adverse Cardiovascular Events (MACE)

The study did not show it

Who was studied
NCT07725484
How many people
1526
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
  • PubChem PUG-REST · a recorded source, not a stored snapshot
  • FDA label (openFDA SPL) · a recorded source, not a stored snapshot

Arm Vascular Function at Rest (Flow Mediated Dilation Test)

The study did not show it

Who was studied
NCT04916327
How many people
720
Study design
Not applicable
Compared against
Not recorded for this study
Kind of result
What a body can do day to day
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
  • PubChem PUG-REST · a recorded source, not a stored snapshot
  • FDA label (openFDA SPL) · a recorded source, not a stored snapshot

occurrence of clinically significant macular edema (CSME) within a follow-up period of 2 years

The study did not show it

Who was studied
NCT01208948
How many people
520
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
  • PubChem PUG-REST · a recorded source, not a stored snapshot
  • FDA label (openFDA SPL) · a recorded source, not a stored snapshot

Primary efficacy variable: Absolute change in the neuropathy impairment score lower limbs enlarged by 7 objective items (NISLL+7) between baseline (mean of Visit 0.3 and 0.4 or last available value before randomisation, respectively) and endpoint

The study did not show it

Who was studied
NCT00977483
How many people
460
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
  • PubChem PUG-REST · a recorded source, not a stored snapshot
  • FDA label (openFDA SPL) · a recorded source, not a stored snapshot

To compare the relative change in NCS parameters between the study arms

The study did not show it

Who was studied
NCT05813496
How many people
430
Study design
Phase 4
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
  • PubChem PUG-REST · a recorded source, not a stored snapshot
  • FDA label (openFDA SPL) · a recorded source, not a stored snapshot

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. 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
  • PubChem PUG-REST · a recorded source, not a stored snapshot
  • FDA label (openFDA SPL) · 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.1 registered measure of this kind. No reviewed result.
  2. What a body can do day to day Evidence recorded. Walking, dressing, breathing, recovering.2 registered measures of this kind.
  3. Measured performance Evidence recorded. How much was lifted, how far was run, how fast.2 registered measures of this kind.
  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.5 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), Drosophila (fruit fly), Mouse, 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.

  • f2 isoprostane level urine f2 isoprostanes
  • muscle strength
  • insulin sensitivity
  • plasma oxyphytosterol concentrations
  • changes in urinary albumin excretion rate
  • serum level of e selectin

Meaningful

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

  • mortality
  • mobility timed 25 foot walk

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 (24)
  • mini mental state exam from baseline to 12 months
  • ototoxicity measurement
  • biomarkers of oxidative stress
  • endothelial function
  • brain atrophy by mri
  • spirometric fvc values at baseline
  • spirometric fvc values at endpoint
  • spirometric fev1 values at baseline
  • spirometric fev1 values at endpoint
  • spirometric fef values at baseline
  • spirometric fef values at endpoint
  • histological evaluation
  • oxidative lesion biomarkers
  • trails making test part b
  • total symptoms
  • phase i percentage of adverse events
  • implants per cycle
  • comparison of oral tolerance between r la and racemic la
  • carotid artery intima media thickness
  • changes in total antioxidant capacity and malondialdehyde

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 high blood sugar including dry mouth, thirst, night sweats, sugar and carb cravings. **These statements are based upon traditional 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.

A different form was studied

The studied form is not the form on the shelf.

On this record: This record is linked to 1 related forms. Evidence does not carry across all of them.

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 (9)
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.

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

  • 7 products list this as an active ingredient in the United States drug directory. 1 of them contain it and nothing else.

    FDA National Drug Code directory · 43742-1554 · read 2026-08-29

  • They are sold as liquid and powder, taken oral.

    FDA National Drug Code directory · 43742-1554 · read 2026-08-29

  • 6 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 · ca632470-6cbc-4994-a7f0-95b6ad9aa44f · read 2026-08-29

  • Those labels are classed as human otc drug.

    US prescribing information · ca632470-6cbc-4994-a7f0-95b6ad9aa44f · 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.

Names and forms linked to this record

  • Racemate of

    Alpha-lipoic acid

    Evidence on this page does not automatically apply to this one.

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: f2 isoprostane level urine f2 isoprostanes; muscle strength; insulin sensitivity.

  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 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 Thioctic ACID, (-)- 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 peopleNothing found in the sources checked

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.

Nothing found in the sources checked

No traced study record is stored for this substance.

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

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 20181206.

    FDA National Drug Code directory · 43742-1554 · 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.
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The record as stored

The full record, for auditing

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Recorded evidence blocks (12)

What did Thioctic ACID, (-)-'s largest trial (460 people) and its longest (9.9 years) measure?


460 people in Thioctic ACID, (-)-'s largest registered study, 9.9 years in its longest registered window, measuring Mortality. ClinicalTrials.gov · 2026-09-01

18 phase2, 10 phase3, 9 phase1, 7 na, 6 phase4; NCT01406704; 2013-12. Last human test completed 2025, NCT06703593.

Interpretation These counts include studies where Thioctic ACID, (-)- 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
  • phase2
    18
  • phase3
    10
  • phase1
    9
  • na
    7
  • phase4
    6
  • Last recorded human test NCT06703593
    2025-05-01

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

From C. elegans to human: where has Thioctic ACID, (-)- shown lifespan?


C. elegans: lifespan, Drosophila: lifespan, mouse: lifespan, rat: lifespan and human: lifespan (40): the rungs where Thioctic ACID, (-)- has a recorded finding. Europe PMC and ClinicalTrials.gov · organism ladder · 2026-09-01

Interpretation Mortality — the recorded outcome words.

Yeast C. elegans lifespanDrosophila lifespanMouse lifespanRat lifespanDog Non-human primate Human lifespan
Show the evidence
  • C. elegans
    lifespan
  • Drosophila
    lifespan
  • mouse
    lifespan
  • rat
    lifespan
  • human NCT02760823
    lifespan; Mortality; 40

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

Why did Thioctic ACID, (-)-'s trial NCT01406704 stop?


1 recorded trial of Thioctic ACID, (-)- stopped. ClinicalTrials.gov · 2026-09-01

"because of withdrawal of Avandia sale due to its risks outweigh its benefits"; 1 of 40 registered studies

Show the evidence
  • Trial NCT01406704
    terminated; "because of withdrawal of Avandia sale due to its risks outweigh its benefits"

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

Human studies of Thioctic ACID, (-)- used α-lipoic acid (600 mg twice a day) — over how long?


Human studies of Thioctic ACID, (-)- used "α-lipoic acid (600 mg twice a day)". ClinicalTrials.gov · 2026-09-01

4 recorded entries; human; tablet; also "Alpha Lipoic Acid 600 MG Oral Capsule", "Thioctic Acid 333 MG Oral Capsule", "Alpha lipoic acid 300 mg tablet"

Show the evidence

human

  • NCT00703989
    α-lipoic acid (600 mg twice a day)
  • NCT05679037
    Alpha Lipoic Acid 600 MG Oral Capsule
  • NCT06253429
    Thioctic Acid 333 MG Oral Capsule
  • NCT06253429
    tablet; Alpha lipoic acid 300 mg tablet

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

More Thioctic ACID, (-)- was worse in human: at what point?


Hormetic in human: "The endogenous and dietary agent, alpha lipoic acid (ALA), is evaluated for its capacity to induce a broad spectrum of adaptive responses via hormetic dose responses and their underlying mechanisms." Europe PMC · dose-response search · 2023-05-10

5 recorded sentences naming Thioctic ACID, (-)-; hormetic, dose-response

Show the evidence

hormetic

  • PMID 37169059
    "The endogenous and dietary agent, alpha lipoic acid (ALA), is evaluated for its capacity to induce a broad spectrum of adaptive responses via hormetic dose responses and their underlying mechanisms."
  • PMID 34227035
    "We treated the flies with sesamol-conjugated lipoic acid derivative (a phenolic compound) at hormetic doses to evaluate its effect on the memory of flies."
  • "We treated the flies with sesamol conjugated lipoic acid derivative (a phenolic compound) at hormetic doses to evaluate its effect on the memory of flies.</p>"
  • PMID 30096293
    "The electrophilic nature of oxidized nucleophilic molecules, including α-lipoic acid, renders more plausible a mechanism based on the ability to activate Nrf2/EpRE mediated hormetic response."
  • dose-response PMID 33199187
    "This systematic review and dose-response meta-analysis was conducted to summarize data from available clinical trials on the effects of α-lipoic acid (ALA) supplementation on glycemic markers including glucose, hemoglobin A<sub>1c</sub> (HbA<sub>1c</sub>), insulin, homeostatic model assessment of insulin resistance (HOMA-IR), HOMA-β, and quantitative insulin check index in adults."

recorded 2023-05-10 · last checked 2026-09-04

Could one person measure Thioctic ACID, (-)-'s effect on f2 isoprostane level urine f2 isoprostanes?


F2 isoprostane level urine f2 isoprostanes: measured in Thioctic ACID, (-)-'s trials.

f2 isoprostane level urine f2 isoprostanes is the recorded endpoint.

Show the evidence

biomarkers

  • f2 isoprostane level urine f2 isoprostanes; 2026-09-01
  • mini mental state exam from baseline to 12 months; 2026-09-01
  • ototoxicity measurement; 2026-09-01
  • muscle strength; 2026-09-01
  • biomarkers of oxidative stress; 2026-09-01
  • insulin sensitivity; 2026-09-01
14 more recorded rows
  • biomarkers
    endothelial function; 2026-09-01
  • biomarkers
    brain atrophy by mri; 2026-09-01
  • biomarkers
    spirometric fvc values at baseline; 2026-09-01
  • biomarkers
    spirometric fvc values at endpoint; 2026-09-01
  • biomarkers
    spirometric fev1 values at baseline; 2026-09-01
  • biomarkers
    spirometric fev1 values at endpoint; 2026-09-01
  • biomarkers
    spirometric fef values at baseline; 2026-09-01
  • biomarkers
    spirometric fef values at endpoint; 2026-09-01
  • biomarkers
    histological evaluation; 2026-09-01
  • biomarkers
    oxidative lesion biomarkers; 2026-09-01
  • biomarkers
    trails making test part b; 2026-09-01
  • biomarkers
    plasma oxyphytosterol concentrations; 2026-09-01
  • biomarkers
    total symptoms; 2026-09-01
  • biomarkers
    phase i percentage of adverse events; 2026-09-01
  • human trials at or under30
    14
  • Not recorded for this substance
    a recorded half-life
  • smallest human trial
    0; NCT00398892; PHASE2; the smallest recorded human enrolment at or below 30; the registry states no direction of its result; WITHDRAWN

Which of biomarkers of oxidative stress, brain atrophy by mri and carotid artery intima media thickness did Thioctic ACID, (-)-'s trials measure?


biomarkers of oxidative stress, brain atrophy by mri and carotid artery intima media thickness lead 32 outcome terms across Thioctic ACID, (-)-'s trials. ClinicalTrials.gov · 2026-09-01

Interpretation muscle strength, biomarkers of oxidative stress, insulin sensitivity, endothelial function, brain atrophy by mri and spirometric fvc values at baseline follow.

Show the evidence
  • f2 isoprostane level urine f2 isoprostanes
    1
  • mini mental state exam from baseline to 12 months
    1
  • ototoxicity measurement
    1
  • muscle strength
    1
  • biomarkers of oxidative stress
    1
  • insulin sensitivity
    1
14 more recorded rows
  • endothelial function
    1
  • brain atrophy by mri
    1
  • spirometric fvc values at baseline
    1
  • spirometric fvc values at endpoint
    1
  • spirometric fev1 values at baseline
    1
  • spirometric fev1 values at endpoint
    1
  • spirometric fef values at baseline
    1
  • spirometric fef values at endpoint
    1
  • histological evaluation
    1
  • oxidative lesion biomarkers
    1
  • trails making test part b
    1
  • plasma oxyphytosterol concentrations
    1
  • total symptoms
    1
  • phase i percentage of adverse events
    1

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

Which of Thioctic ACID, (-)-'s 2 ongoing trials reports first?


2 registered trials of Thioctic ACID, (-)- are open; earliest completion 2027-04. ClinicalTrials.gov · 2026-09-01

Serum level of E-Selectin; Consent Rate; latest 2028-03-01

Show the evidence

Trial

  • NCT06286098
    "Alpha Lipoic Acid in Pediatrics on Hemodialysis"; n 50; "Serum level of E-Selectin"; 2028-03-01
  • NCT07501663
    "Optimizing Integrative Oncology Approaches to Address Chemotherapy-induced Peripheral Neuropathy in Gastrointestinal (GI) Cancer Patients: A SMART Pilot Study"; n 60; "Consent Rate"; 2027-04

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

Which 12 trials of Thioctic ACID, (-)- posted no result?


Posted no result
12 of 12 completed trials
Registrations
NCT00977483, NCT00328601, NCT00065624, NCT00703989, NCT00676156 and NCT00795262, and 6 more
Completion dates
oldest 2005-01; newest 2019-01-25
Show the evidence

Trial

  • NCT00977483
    2005-01
  • NCT00328601
    2005-06
  • NCT00065624
    2007-07
  • NCT00703989
    2008-02
  • NCT00676156
    2008-11
  • NCT00795262
    2009-07
6 further recorded trials
  • NCT00994513
    2010-05
  • NCT01056497
    2011-06
  • NCT02056366
    2013-09
  • NCT01495260
    2013-11
  • NCT01294176
    2016-11
  • NCT03493841
    2019-01-25

At the median, Thioctic ACID, (-)-'s trials enrolled 42 people — anything larger?


Median enrolment
42
Largest enrolment
460
Registered trials counted
40

Was Thioctic ACID, (-)- studied with fasting and exercise?


fasting and exercise are named in Thioctic ACID, (-)-'s label sentences: "Although no change (p < 0.05) in serum glucose was observed, α-lipoic acid-supplemented subjects demonstrated reduced fasting serum insulin (p = 0.04) and HOMA-IR (p = 0.07) compared with the placebo group." openfda-label+europepmc · 2024-12-01

2 recorded statements; fasting, exercise

Show the evidence
  • fasting
    Although no change (p < 0.05) in serum glucose was observed, α-lipoic acid-supplemented subjects demonstrated reduced fasting serum insulin (p = 0.04) and HOMA-IR (p = 0.07) compared with the placebo group.
  • exercise
    The study included 82 participants allocated into the intervention group (alpha-lipoic acid and exercise on 15 consecutive therapeutic days, <i>n</i> = 42) and control group (alpha lipoic acid only, <i>n</i> = 40).

recorded 2024-12-01 · last checked 2026-09-04

What is recorded about Thioctic ACID, (-)- and AMPK?


"Treatment with α-lipoic acid (ALA) rescued soma growth, normalize ATP levels and reduce AMPK activation." — where Thioctic ACID, (-)- and AMPK appear together. Europe PMC · pathway abstract search · 2025-10-17

AMPK, mTOR, autophagy, sirtuin; PMID 40922217, 40429916, 37088764, 41110565

Show the evidence
  • AMPK
    "Treatment with α-lipoic acid (ALA) rescued soma growth, normalize ATP levels and reduce AMPK activation."
  • mTOR PMID 40922217
    "Metabolomic analysis identified 150 different metabolites between DN and RMP groups, of which 85 were up-regulated and 65 were down-regulated, including folate biosynthesis, pyrimidine metabolism, arginine biosynthesis, tyrosine metabolism, lipoic acid metabolism, and mTOR signaling pathway as a potential target."
  • autophagy PMID 40429916
    "Excessive iron accumulation poses a significant threat to liver health, primarily through oxidative stress and autophagy dysregulation. α-Lipoic acid (ALA), a natural antioxidant with hepatoprotective properties, may alleviate iron-induced liver damage, but its underlying mechanisms are not fully understood."
  • mTOR PMID 37088764
    "To investigate the effect of α-lipoic acid in ameliorating liver injury in rats with type 2 diabetes mellitus <i>via</i> activating adenosine 5'-monophosphate-activate protein kinase (AMPK)/mammalian target of rapamycin (mTOR) pathway."

AMPK

  • PMID 37088764
    "To investigate the effect of α-lipoic acid in ameliorating liver injury in rats with type 2 diabetes mellitus <i>via</i> activating adenosine 5'-monophosphate-activate protein kinase (AMPK)/mammalian target of rapamycin (mTOR) pathway."
  • PMID 37088764
    "The 32 rats with T2DM were randomly divided into 4 groups: T2DM group, α-lipoic acid group (LA), Compound C group (Comp C, an inhibitor of AMPK) and LA+Comp C group, with 8 rats in each group."
  • mTOR PMID 37088764
    "The expression of p-AMPK was decreased (<i>P</i><0.05) and the expression of p-mTOR was increased significantly(<i>P</i><0.05). α-lipoic acid could reverse the above-mentioned changes, ameliorate insulin resistance (all <i>P</i><0.05), protect the structure and function of liver, and activate the AMPK/mTOR pathway (<i>P</i><0.05)."
  • sirtuin PMID 41110565
    "Therapeutic strategies have evolved from traditional antioxidants (e.g., α-lipoic acid) to novel approaches, including targeting the Nrf2/HO-1 pathway (e.g., using saffron-rich GJ-4 extract), regulating mitochondrial function, utilizing natural compounds (e.g., resveratrol acting via SIRT1 activation), and non-pharmacological interventions such as acupuncture."

recorded 2025-10-17 · last checked 2026-09-04

Where it is registered
Identifiers, relations and other names

The exact record

PubChem CID
445125
CAS number
1077-27-6
InChIKey
AGBQKNBQESQNJD-ZETCQYMHSA-N

Relations

Also called
Lipoic Acid
Also called
Thioctic Acid, .ALPHA.-LIPOIC ACID, (-)-, 1,2-DITHIOLANE-3-PENTANOIC ACID, (3S)-, ESLIPOIC ACID, L-THIOCTIC ACID, S-(-)-.ALPHA.-LIPOIC ACID, THIOCTIC ACID L-FORM [MI]
Trade name
Glucoreg, Bio Cytotox Phase, Ns Support, Vascuflow, Bp Reg, Glucoreg / Bio Cytotox Phase / Ns Support / Vascuflow / Bp Reg
Component
Lipoic Acid
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

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  • 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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