Bio-GGG-B is a multi B-vitamin complex, supplying vitamins B1, B2, niacin, B6, B12, folate, biotin and pantothenic acid, with emphasis on riboflavin (Vitamin B2), also referred to as Vitamin G. It is fortified with additional synergists, including Vitamin C, inositol, PABA (para-aminobenzoic acid), & choline, and also includes trimethylglycine, as well as organ/glandular specific support (neonatal bovine liver and lamb brain).