Brewer's Yeast Powder contains Vitamins B1, B2, B3, B5 and B6 together with other traditional components and B-Complex factors found in yeast. B Vitamins: Contribute to normal energy yielding metabolism. Contribute to the reduction of tiredness and fatigue. Brewer's Yeast Powder contains Vitamins B1, B2, B3, B5 and B6 together with other traditional components and B-Complex factors found in yeast. B Vitamins: Contribute to normal energy yielding metabolism. Contribute to the reduction of tiredness and fatigue.
