With Alpha Lipoic Acid 200 mg Promotes Energy Production, Memory & Cognitive Function Healthy Aging Formula Amino Acid Supplement Guaranteed Quality Laboratory Tested Healthy You. Healthy Earth.Alpha Lipoic Acid and Acetyl L-Carnitine form an excellent combination for promoting metabolic functioning to fight against free radicals and oxidative stress. Free radicals can contribute to oxidative stress, which in turn may contribute to the premature aging of cells. As a supplement, L-Carnitine can be used as part of a healthy aging program.