Biotin & Folic Acid - Sustained Release Biotin and folic acid, members of the B-vitamin family, work in unison with the other B-vitamins to support optimal physiological functioning on several fronts. These high-potency tablets from Nature's Plus are in a special base which provides for the gradual release of ingredients over a prolonged period of time, Nature's Plus products are manufactured according to the highest possible standards, with advanced quality control techniques always applied Ingredients Folic Acid 800 mcg Biotin 2000 mcg 30 CT