The refining of cereal grains, a major dietary staple in the UK, has been shown to remove up to 90% of the available zinc content of these foodstuffs. This, combined with the trend to eat less animal-derived protein, is likely to be one of the reasons why a staggering one out of three adults in the UK fails to consume sufficient dietary zinc. Zinc is important for a health immune system as well as the maintenance of healthy skin and a good complexion. It is a component of many enzymes and is a constituent of insulin. Zinc is also important for reproductive health. This product supplies zinc in citrate form for maximum absorption. Each tablet provides 15mg of zinc (the RDA) and, at one-a-day.One tablet of Lamberts Zinc (As Citrate) provides: Zinc (as Citrate) 15mg Other Ingredients:Tableted with: Calcium Carbonate, Modified Starch, Microcrystalline Cellulose, Silicon Dioxide, Magnesium Stearate, Stearic Acid.Directions: 1 tablet daily with a meal.