Vitamin B1 500mg (Thiamin) Tablets is a water-soluble vitamin known to promote the health of the nervous system and support energy metabolism.This product is suitable for vegetarian, vegan and kosher diets. Directions:As a food supplement for adults, one (1) tablet daily, preferably at mealtime, or as directed by a healthcare practitioner. Do not exceed directions for use. Caution:Food supplements should not be used instead of a varied balanced diet and a healthy lifestyle. If you are pregnant, nursing, taking any medications or have any medical condition, please consult your healthcare practitioner before taking this product.