The Solgar vitamin b family consist of a large number of substances that are involved in the metabolism of all living cells. Acting as coenzymes, they work together with proteins in the various enzyme systems of our body.The functions of the B vitamins are closely synergistic and because of these interrelationships, an insufficient intake of one or more of them can cause deficiencies in the others by hampering their utilization. B vitamins are water-soluble and are not stored in the body. They must be replaced daily and any excess excretedSolgar Vitamin B-1 (thiamine) acts as a coenzyme necessary for the conversion of carbohydrates into glucose, which is burned in the body for energy. It is essential for the functioning of the nervous system. A deficiency can cause beriberi, a disease marked by weakness, paralysis and edema.Solgar Vitamin B-1 500mg Tablets (Thiamin) is sitable for vegans- kosher.Solgar Vitamin B-1 500mg Tablets is a food supplement for adults. Solgar recommends one (1) tablet of Vitamin B-1 daily, preferably at mealtime, or as directed by a healthcare practitioner.Each tablet of Solgar Vitamin B-1 provides:Thiamin (Vitamin B1 as thiamine hydrochloride)500mgTableted with these natural ingredients: dicalcium phosphate, microcrystalline cellulose, hydroxypropyl cellulose, stearic acid, silicon dioxide, magnesium stearate, cellulose gum, hydroxypropylmethyl cellulose, vegetable glycerin.