Lets cut through the marketing noise and look at the actual science of fat loss. , A lot of supplements make big claims, but L Carnitine is heavily backed by research for its role in fat L Carnitine Injection Levocarnitine IV Biomed Carnipure L Carnitine Effective Energy Support L Carnitine 1000 mg Tablets Energy & Fat Metabolism Support* NOW Supplements Weight Loss Supplement for Dogs and Cats Rooted Owl Rooted Owl Pet Supplements