Nutrients and cofactors
Conceptual educational illustration of L-carnitine in a glass specimen jar, labelled MOLECULE PROFILE.

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AGENT PROFILE

L-carnitine

Nonpeptide agent

Transports long-chain fatty-acid acyl groups toward mitochondrial metabolism; not a peptide.

Sources checked · October 16, 2026

Published for review · Scientific, medical, translation and citation review pending. Reported uses are not authorized indications. Frequency reflects mentions in supplied sources, not sales or global clinical prevalence.

Identity and synonyms

Catalog label is recorded; analytical identity and equivalence are not established.

Nonpeptide agent · Amino acid or derivative

Detailed molecular class: Nonpeptide agent; see mechanism for subtype

Supplied sequence or chemical reference

PubChem CID: 10917

Molecular formula: C7H15NO3

IUPAC: (3R)-3-hydroxy-4-(trimethylazaniumyl)butanoate

Source: PC-L-CARNITINE

PubChem

Chemical structure reference

Database chemical reference; does not certify supplier vial, salt, isomer or formulation.

Mechanism

Transports long-chain fatty-acid acyl groups toward mitochondrial metabolism; not a peptide.

Evidence and critical reading

Reported scientific and empirical uses

Replacement and nutritional context

Replacement in defined deficiencies/products and community “fat burner” marketing. Normal physiology does not show that injecting it causes fat loss.

Human evidence

Studies depend on deficiency, disease, route and outcome. Institutional review does not support turning presence in Lipo-C into clinical efficacy of the whole blend.

Preclinical evidence

Do not equate mechanism, cell culture or animal work with a clinical outcome. The specific level is detailed in the evidence assessment.

Critical reading and limitations

Studies depend on deficiency, disease, route and outcome. Institutional review does not support turning presence in Lipo-C into clinical efficacy of the whole blend.

Studies depend on deficiency, disease, route and outcome. Institutional review does not support turning presence in Lipo-C into clinical efficacy of the whole blend.

Source-specific regimens

Descriptive source observations, not individual recommendations.

Regulatory product labeling

No numerical human dose is assigned: reviewed sources did not verify a regimen attributable to this material, route and indication. Other molecules’ doses, animal exposures, vial amounts and dietary requirements are not substituted.

Human-study exposure

No numerical human dose is assigned: reviewed sources did not verify a regimen attributable to this material, route and indication. Other molecules’ doses, animal exposures, vial amounts and dietary requirements are not substituted.

Empirical handbook

No numerical human dose is assigned: reviewed sources did not verify a regimen attributable to this material, route and indication. Other molecules’ doses, animal exposures, vial amounts and dietary requirements are not substituted.

Regulation and safety

Jurisdiction-specific regulatory context

US: the cited IV levocarnitine has indications for inborn errors with secondary deficiency and dialysis-associated deficiency. This is not fat-loss/Lipo-C authorization.

Adverse effects and unknowns

High oral amounts can cause gastrointestinal symptoms/body odor; the oral profile does not establish injectable-product or combination safety.

Contraindications

A complete list must match the exact authorized product. For experimental materials without verified human labeling, a complete contraindication set is not established here. No list does not mean safety.

Interactions

Separate documented interaction, pharmacologic plausibility and unknown interaction. Absence of a blend trial does not establish compatibility.

Studies and trials

Selected studies

No selected studies are attributed in this record.

Trials attributed in the package

No trials are attributed in this record.

Trial registration does not establish efficacy or validate commercial material.

Query candidates; attribution pending

L-carnitine · 312 unfiltered query results, not authenticated trials

Query verification: October 16, 2026

Exact phrase intervention query; first three most recently updated records, not exhaustive. Aliases may be missed and heterogeneous products may appear. The total is the unfiltered registry query count, not authenticated trials. Source-integrity holds are excluded from ordinary listings.

View trial registry query

NCT07783399 · The Effects of Carnitine Supplementation on Oocytes in Women Undergoing IVF ProcessRegistry status: RecruitingLast update posted: October 16, 2026Query verification: October 16, 2026

NCT07862725 · Comparative Efficacy of Antioxidants Alone Versus Combined Therapy With SERMs or FSH in Normogonadotropic Idiopathic OAT Patients: A Randomized Controlled TrialRegistry status: Not yet recruitingLast update posted: October 7, 2026Query verification: October 16, 2026

NCT06126315 · Trial on the Biological and Clinical Effects of Acetyl-L-carnitine in ALSRegistry status: RecruitingLast update posted: October 6, 2026Query verification: October 16, 2026

Source issues and references

References include queries and bibliographic handbook attributions; not all are clinical studies. Human review remains pending.

  1. ODS-CARNITINE

    NIH ODS: Carnitine

    October 16, 2026

  2. PC-L-CARNITINE

    PubChem L-carnitine (CID 10917)

    October 16, 2026

  3. REG-CARNITINE

    DailyMed: Levocarnitine injection

    October 16, 2026

  4. SEARCH-PUBMED-l-carnitine

    PubMed/MED targeted search: TITLE:"L-carnitine" AND TITLE:randomized

    October 16, 2026

  5. pdf01

    PEPNEXA 2.pdf

    October 16, 2026

  6. pdf02

    ELLA PEPTIDES.pdf

    October 16, 2026

  7. pdf05

    PEPNEXA.pdf

    October 16, 2026

  8. pdf07

    US Peptide MangerCorp(1).pdf

    October 16, 2026

  9. pdf09

    PeptideFactory.pdf

    October 16, 2026

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