I use OxyShred first thing in the morning on an empty stomach to maximize fat burning throughout the day. , Add a scoop of Acetyl L Carnitine to improve the effectiveness of OxyShred and take your fat L CARNITINE 1000 MG Muscle Rulz Store When should I take L Carnitine? Inshape Nutrition Turn fat into fuel with our L Carnicut As a dietary supplement, one tablespoon (15 ml) of L Carnicut can be taken up to 2 times daily, preferably on an empty stomach. L Carnitine Liquid, Berry, 16 fl oz (473 ml) Amazon.com: GAT SPORT Essentials Series L Carnitine 3000mg (16 Ounce), Mixed Berry : Health & Household