L Carnitine: Benefits, side effects, and dosage L Carnitine Benefits, Uses, Dosage, Foods, Side Effects Dr. Axe When to take L carnitine: Dosage, forms, and side effects Role of L carnitine in exercise training: Anti inflammatory, antioxidant, and metabolic interactions ScienceDirect Best L Carnitine Weight Loss Supplement in India Fast&Up Early research into L carnitine was often cited as underwhelming, showing negligible changes in muscle carnitine content and fat loss outcomes. However, these findings may have been limited by a short study window