Brewer's yeast provides: - Vitamin B: it is one of the most balanced sources of B-complex vitamins. - Pro-Vitamin D (ergosterol): essential for maintaining bone density. - High biological value protein source, providing the 8 essential amino acids as well as 9 other amino acids. - Enzymes: it also contains numerous enzymes that are produced with the activation of live yeast cells. - Minerals and trace elements: it contains 12 minerals and trace elements (calcium, phosphorus, sodium, potassium, magnesium, iodine, sulfur, iron, manganese, copper, zinc, and selenium). Usage: It is recommended to take 1 to 3 capsules per day. In case of greater need, increase to 6 capsules per day. Ingredients: Revivable brewer's yeast (Saccharomyces cerevisiae Meyer ex E.C. Hansen) 100%. 340 million live organisms per gram. Excipients: gelatin (capsule shell)