About l carnitine
Amino acid derivative supplement
Used for
- May be used for carnitine deficiency.
- Acetyl-L-carnitine is also marketed for nerve pain and cognitive concerns; evidence varies.
Usual adult dose
No standard dose; dosing depends on the indication and formulation.
Common side effects
- Nausea, stomach upset, or diarrhea
- Fishy body odor
- Restlessness or insomnia
Important warnings
- May increase seizure risk in people with seizure disorders.
- Use cautiously with thyroid disorders or thyroid hormone treatment.
- Supplements may vary in quality and composition.
Pregnancy
Safety is not established; routine use during pregnancy is not recommended without clinical supervision.
Breastfeeding
Safety is not established; use during breastfeeding requires clinical supervision.
Interactions
- Warfarin: may increase anticoagulant effect and INR.
- Thyroid hormone: may alter thyroid hormone effects.
- Medications that increase seizure risk: possible added concern.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.