Dietary Supplement. Mild tasting. Twinlab Genuine Brewers Yeast has been recognized as a storehouse of 100% pure natural nutrients without added vitamins or minerals. It should not be confused with "brewers type yeast" or "brewers molasses grown yeast" for these yeast are primary growns. One heaping tablespoon provides all the essential amino acids, vitamins, minerals and trace elements. You can sprinkle it on food, use it as a seasoning or mix it with milk, juices, soups, gravies, and casseroles. Twinlab Brewers Yeast contains a small amount of calories and sodium for those on restricted diets. Twinlab Brewers Yeast also contains naturally occurring amounts of Vitamin B12, calcium, phosphorus, potassium, magnesium, copper, iron, zinc, manganese, chromium. Contains absolutely no preservatives, fructose, honey, sugars or any additives. The L-Tryptophan in this product is naturally present in the protein. It is not added or manufactured. Product sold by weight only, not by volume. Settling may occur in shipping and handling.