From Manufacturer''s Label:The advanced formula you''ll find in Purvana MAX Hair, Skin and Nails supports beauty from the inside out.You''ll find 5000 mcg of high potency Biotin as well as Grape Seed Extract.It''s also a great source of Organic Sulfur (M.S.M.) and Silica in the form of Natural Horsetail extract for maximum results. 5000 mcg High Potency Biotin Thicker, Fuller Hair Healthier Skin Stronger NailsContains 30 vegetable capsules.Manufactured by: Purvana Max