PLACEHOLDER: Free shipping over $XX — confirm threshold

Topical cosmetics and devices only — not for injection

Cellular Sequence

Peptide Encyclopaedia

Approved medicineApproved medicine

L-carnitine

Also known as Levocarnitine.

Approved-medicine listing only. This is not available from the Cellular Sequence shop. Licensed products require a prescriber and an ARTG-registered presentation.

At-a-glance profile

Classification
Amino-acid derivative (not a peptide hormone)
Approval status
Approved medicine
Research status
Labelled indications are defined in product information.
Molecular formula
Insufficient reliable evidence identified.
Molecular weight
Insufficient reliable evidence identified.
Sequence
Quaternary ammonium compound involved in fatty-acid transport.
Primary biological target
Insufficient reliable evidence identified.
Half-life
Insufficient reliable evidence identified.
Routes investigated
Insufficient reliable evidence identified.
Human evidence level
A — Approved clinical use / strong human evidence

What is it?

Licensed oral/IV carnitine exists for deficiency states. High-dose ‘fat-burner’ vials on peptide lists are not those products and are not sold.

Mechanism of action

Carnitine shuttle for long-chain fatty acids.

GI upset orally; injection adds no proven fat-loss indication for healthy people.

What is it being studied for?

  • Carnitine deficiency
  • Some dialysis/cardiac contexts

Investigational findings are not proven clinical benefits unless an authority has labelled that indication.

Evidence level

Overall human evidence grade: A · Approved clinical use / strong human evidence

Human research

Deficiency treatment is real; aesthetic vials are not.

Preclinical research

Animal, cell and in-vitro findings are listed separately from human effects.

Mitochondrial fatty-acid oxidation.

Doses reported in published research

This section does not provide personalised medical dosing. Values are those reported in papers or protocols. Animal mg/kg doses are not converted to human doses.

Doses reported in human studies

Insufficient reliable evidence identified.

Preclinical / animal study dosing

Insufficient reliable evidence identified.

Pharmacokinetics

Reliable human pharmacokinetic data were not identified for this encyclopaedia entry, or are limited to product information for approved presentations.

Safety

Fishy odour, GI effects; injection-site issues.

Unknowns. Absence of a published harm signal is not evidence of safety.

Contraindications. Seizure history caution for high-dose carnitine in some labels.

Regulatory status

Approved in specific deficiency presentations.

Cellular Sequence does not sell this as a vial, tablet, oil, or injectable. Educational encyclopaedia listing only.

Citations

  1. [1] Encyclopaedia note

    Encyclopaedia note

For educational and research reference only. This page summarises published scientific literature and does not constitute medical advice, prescribing information or a recommendation to use an investigational compound. Research doses shown describe doses reported in published studies and are not personalised dosing instructions.

Last reviewed 2026-09-13. Research areas: Metabolic · Compare peptides