Source Naturals, Inc. Vitamin B-1 100mg 100 Tablet
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"Vitamin B-1 thiamine is essential for the metabolism of carbohydrates, some amino acids and alcohol. B-1 is necessary for the production of the neurotransmitter acetylcholine, and for the detoxification of both alcohol and lactic acid a by-product of strenuous exercise . Prolonged severe b-1 deficiency can cause beriberi. A high carbohydrate diet, strenuous physical exercise, or chronic alcohol consumption may increase the risk of b-1 deficiency symptoms in those whose dietary intake of b-1 is marginal."