L Carnitine is not a magic fat burner It won't melt fat, build muscle, or replace hard work. The only thing it burns is your money Stick to the basics Acetyl L Carnitine 1000 Self Omninutrition How L Carnitine Supports Weight Loss During Intermittent Fasting Fasting alleviates metabolic alterations in mice with propionyl CoA carboxylase deficiency due to Pcca mutation Communications Biology Role of L carnitine in exercise training: Anti inflammatory, antioxidant, and metabolic interactions ScienceDirect