ALPHA LIPOIC ACID COMPLEX WITH B VITAMINS - FOR NORMAL NERVOUS SYSTEM FUNCTION Our high-strength formula delivers 600mg of alpha lipoic acid (ALA) per serving, a naturally occurring compound found in every cell, alongside the methylcobalamin form of Vitamin B12, plus Vitamin B1 (Thiamine) and Vitamin B6. Thiamine, Vitamin B6 and Vitamin B12 contribute to the normal functioning of the nervous system, and Vitamin B6 and Vitamin B12 also contribute to normal psychological function.