Amazon.com: Acetyl L Carnitine 1,000mg Per Serving, 150 Capsules (ALCAR for Brain Function Support, Memory, Attention, and Stamina) Acetyl L Carnitine that is Third Party Tested by Double Wood : Everything Else Acetyl L Carnitine (ALCAR) 150 x 500 mg capsules by Double Wood Supplements Cognitive, Memory, Stamina Support : Target PS 100 Forte Boost Cognitive Function & Memory PROVITA NUTRITION & HEALTH NATURAL FACTORS regenerlife Acetyl L Carnitine (500 mg 120 vcaps) Nutrition House Canada Meet L Carnitine a naturally occurring amino acid that plays a key role in helping the body convert fat into usable energy. It works by transporting fatty acids into your cells to Acetyl L Carnitine Force Factor