Twinlab Brewers Yeast Description: Genuine Brewers Yeast Mild Tasting Gluten Free 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 grown. One heaping tablespoon provides all the essential amino acids, vitamins, minerals and trace elements. Twinlab Brewer’s 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 and chromium.