Now Foods B-1, vitamin B1 is a dietary supplement in tablet form. The preparation was developed to supplement the daily diet of adults. Each tablet contains 100 mg of thiamine, which corresponds to 9090% of the reference value for a B vitamin. The preparation is suitable for use by people following a vegetarian and vegan diet. Learn how vitamin B1 works Contributes to maintaining proper energy metabolism. It helps the nervous system to function properly and to maintain proper psychological functions. The Now Foods B-1 food supplement package contains 90 tablets and is enough for over three months of thiamine dietary supplementation.