Quest vitamin d3 provides 2500iu of vitamin d per tablet supporting the immune system, bone health, teeth and muscles. Vitamin d contributes to the normal function of the immune system and muscles. It is needed for the utilisation of calcium in the body and helps to maintain bones and teeth. Vitamin d is naturally created by the body through exposure to sunlight, and may be recommended as a supplement for individuals with limited exposure to sunlight. Quest was established in 1983 by dr ahmed hassam, who recognised that the market wanted nutritional supplements of the highest quality, backed by scientific research, for specific health needs and to maintain optimum health. Ingredients Di-calcium phosphate, microcrystalline cellulose, vitamin d3 (with arabic gum, antioxidant: d-a-tocopherol [from soya], tri-calcium phosphate), magnesium stearate, anti-caking agent: silicon dioxide.
