Now Brewer's Yeast has several naturally occurring vitamins and minerals, with most notably B-vitamins. In addition, brewer's yeast offers other components, such as amino acids and beta-glucans. No synthetic vitamins are added to the yeast during processing. Brewer's Yeast is a genuine whole food supplement. Brewer's yeast has naturally occurring B-vitamins such as: thiamin (vitamin B-1), riboflavin (vitamin B-2), niacin, vitamin B-6, folic acid, biotin and pantothenic acid. Recommended Use: Take 3 tablets 3 times daily with food, or as directed by a healthcare professional.Now Brewer's Yeast Facts: 3 tablets contain: Calories 5 Total Carbohydrate 1 g Protein 1 g Brewer's Yeast (dried, inactive) 1.95 g (1,950 mg) Other Ingredients: Hydroxypropyl Cellulose, Stearic Acid (vegetable source), Croscarmellose Sodium, Magnesium Stearate (vegetable source) and Silicon Dioxide. Brewers yeast has naturally occurring B-vitamins such as: thiamin (vitamin B-1), riboflavin (vitamin B-2), niacin, vitamin B-6, folic acid, biotin and pantothenic acid.