5-hydroxytryptophan, aka. 5-HTP, has been shown to be effective in helping to suppress the appetite and assist with developing better sleep patterns, as well as various other uses. This ingredient may be added to foods and beverages or smoothies and green drinks. It is a pure white powder and has no fillers or binders, 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!