L-carnitine

Studied for: Obesity

Obesity

What the research found

L-carnitine at 2,000 mg/day provides maximum reductions in body weight (WMD: -1.21 kg) and fat mass in adults with overweight or obesity.

Dose used in studies

2000 mg/day

Side effects reported

well-tolerated, mild digestive disturbances

References

Talenezhad2020, Zuccotti2026

Talenezhad N, Mohammadi M, Ramezani-Jolfaie N, Mozaffari-Khosravi H, Salehi-Abargouei A. Effects of l-carnitine supplementation on weight loss and body composition: A systematic review and meta-analysis of 37 randomized controlled clinical trials with dose-response analysis. Clin Nutr ESPEN. 2020;37:9–23.

Not medical advice

Trials are run on specific people, for specific reasons, over a set period. Your medications, conditions and bloodwork can change what is safe for you. Ask a doctor or pharmacist before starting.