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Brewer's yeast is often used as a source of B-complex vitamins, chromium, and selenium. The B-complex vitamins in brewer's yeast include B1 (thiamine), B2 (riboflavin), B3 (niacin), B5 (pantothenic acid), B6 (pyridoxine), B9 (folic acid), and H or B7 (biotin). These vitamins help break down carbohydrates, fats, and proteins, which provide the body with energy. They also support the nervous system, help maintain the muscles used for digestion, and keep skin, hair, eyes, mouth, and liver healthy.Brewer's yeast does not contain vitamin B12, an essential vitamin found in meat and dairy products.
Chromium may lower blood sugar levels as well, improving glucose tolerance and reducing the amount of insulin needed. Because brewer's yeast is a rich source of chromium, scientists think it may help treat high blood sugar.However, brewer's yeast is also used as a protein supplement and energy booster, so it may help maintain a healthy weight.Source: Brewer's yeast | University of Maryland Medical Center http://umm.edu/health/medical/altmed...#ixzz2qCWpSfZV
University of Maryland Medical Center