Natures Aid Vitamin B Complex provides an excellent source of B vitamins to support normal energy yielding metabolism and the reduction of tiredness and fatigue. -Thiamine, Riboflavin, Niacin and Vitamin B12 contribute to normal energy-yielding metabolism. -Thiamine, Riboflavin, Niacin and Vitamin B12 contribute to normal functioning of the nervous system. -Thiamine, Niacin and Vitamin B12 contributes to normal psychological function. -Riboflavin, Niacin and Vitamin B12 contribute to the reduction of tiredness and fatigue. Directions:Take 1 tablet per day with food. Do not exceed the recommended intake. Ingredients:Brewers Yeast (may contain gluten), Choline Bitartrate, Microcrystalline Cellulose, Niacin (as Nicotinamide), Inositol, Thiamin (as Hydrochloride) Vitamin B6 (as Pyridoxine Hydrochloride), Pantothenic Acid (as Calcium Pantothenate), Riboflavin, Anticaking Agents (Vegetable Source Magnesium Stearate, Silicon Dioxide), Vitamin B12 Prep (Cyanocobalamin, Calcium Phosphate), Folic Acid, D-Biotin.