Dimethyl Glycine HCL (Vitamin B16) or DMG may support neurological function and mental clarity by acting as a precursor to the amino acids that are building blocks for neurotransmitters. It is a pure white powder and has no fillers, additives or preservatives. Various sizes available for personal use and quantity discounts available on bulk-packed foods and food powders for commercial uses. Only the highest quality natural food and bulk ingredients are sourced through family-owned Prescribed For Life Nutrition. Thank you for shopping with us and please come again!