10 Grain, 650 mg Nutritional Supplement Easier to Swallow Tablet Non-GMO A Dietary Supplement Vegetarian - Vegan Kosher General Health Family Owned Since 1968 GMP Quality Assured 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. NOW 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.