It may surprise you to hear that brewer's yeast is a rich source of essential vitamins and minerals. Brewer's yeast supplements are made from the yeast grown during alcohol brewing, or grown directly using grains. During this process, the yeast absorbs the nutrients from the grains used in brewing. Twinlab Genuine Brewer's Yeast has a huge spread of vitamins, including 8 B vitamins, and minerals. It also contains all of the essential amino acids and many trace elements.This high protein per weight supplement is also low in fat, sodium, calories, and carbohydrates. It is easy to add into just about any diet with minimal negative impact. Use genuine Brewer's Yeast as a food seasoning or mix it into foods such as soups, gravies, and casseroles to make any meal healthier.