Now Pharmaceutical Grade L Carnitine Fitnes Support, 3 Oz Walmart.com Applied Nutrition L Carnitine Liquid 3000 Liquid L Carnitine 3000 mg 16 fl oz NOW Blue Sky Vitamin When should I take L Carnitine? Inshape Nutrition Effectiveness varies: L carnitine may help with fat metabolism, but it's not a magic weight loss pilldiet and exercise still matter most. Forms matter: Regular L carnitine general use Acetyl L carnitine brain & energy L Carnitine is your cellular chauffeur.* Whether you're chasing workouts or just chasing life, NOW offers the purest form that's clinically tested. *This statement has not been evaluated by the Food and Drug