L Carnitine Vitamin Supplement for Energy and Metabolism Boost Rebuild Endurance is a protein and carbohydrate drink mix with added L glutamine and L carnitine that should be consumed post aerobic exercise. So who would benefit from this delicious sports drink? Cyclist Nutravita L Carnitine Complex 150 Capsules fitnvit.com Fit 'n' Vit LCLT (L Carnitine L Tartrate) capsules tablets powder L Carnitine Supplement Liquid L Carnitine 1000mg NOW We made L Carnitine its own thing for a reason., Not a stim. Not a fat burner gimmick. Just a simple support tool for energy, recovery, and fat metabolism., Some days you dont need more caffeine.,