Mega B-150 Sustained Release Nature's Plus is pleased to offer the highest potency B-Complex available in an all-natural rice bran base. Mega B-150 contains no yeast and is easily digested and absorbed. Each tablet is in a special base which provides for the gradual release of ingredients over a prolonged period of time. One tablet contains Vitamin B-1 (as thiamine HCl) 150 mg (10,000%DV) Vitamin B-2 (as riboflavin) 150 mg(8824%DV) Niacin (as niacinamide) 150 mg (750%DV Vitamin B-6 (as pyridoxine HCl) 150 mg(7500%DV) Folate (as folic acid) 250 mcg(63%DV) Vitamin B-12 (as cyanocobalamin) 150 mcg(2500%DV) Biotin 150 mcg (50%DV) Pantothenic Acid (as calcium pantothenate) 150 mg(1500%DV) Inositol 150 mg PABA (para-aminobenzoic acid) 150 mg Choline (as bitartrate) 63 mg 60 CT