Skip to content

Bioalmanac

L-Carnitine

Levocarnitine · Carnitine · Acetyl-L-carnitine

Approved

Status reviewed 18 Aug 2026

An essential cofactor for burning fat, and not the step that limits it. Approved for genuine carnitine deficiency; sold by injection for weight loss on weak evidence.

Storage

Freeze-dried powder
Room temperature for oral forms. Injectable solutions per the label.
After mixing
Injectable carnitine is supplied as a solution, not a powder.
Long-term, frozen
Not applicable.

Dose ranges reported in sources

Descriptions of what sources report, not recommendations.

GoalRangeFrequencySource
Oral supplementation, as studied1000000–3000000 mcgDaily, in divided dosesPublished review
Injectable, as used in clinics500000–1000000 mcgTwo to three times weeklyCommunity practice

When to stop

  • Persistent diarrhoea or abdominal cramping.
  • An increase in seizure frequency, in anyone with a seizure disorder.
  • Any allergic response: rash, hives, facial swelling or difficulty breathing. Seek urgent care.

Levocarnitine is an FDA-approved prescription medicine for primary and secondary carnitine deficiency. Oral carnitine is also sold as a dietary supplement. Injectable carnitine for weight loss is not an approved use.

Arithmetic on values you enter. Not medical advice. Not reviewed by a clinician. · bioalmanac.com/peptides/l-carnitine

Use your browser’s print dialog and choose “Save as PDF”. This block is hidden when printed.