Supplement of the week: L Carnitine! This one doesn't just boost fat metabolismit can also improve recovery, endurance, and even brain function. If you're serious about performance and longevity, this might be L Carnitine Tartrate Supplementation for 5 Weeks Improves Exercise Recovery in Men and Women: A Randomized, Double Blind, Placebo Controlled Trial L Carnitine injection is recommended at 1 ampule every 2 3 days for best results. The L Carnitine is taken intravenously either by normal injection or using a butterfly needle. After taking this L Carnitine, you Exome sequencing identifies primary carnitine deficiency in a family with cardiomyopathy and sudden death European Journal of Human Genetics Applied Nutrition L Carnitine 3000 Liquid L Carnitine with Green Tea & Vitamin C, Boosts Energy & Weight Management, Vegan (480ml 32 Servings)