Lamberts®Zinc 15mg is an ideal supplement for long term use and the citrate form of zinc is known to be readily absorbed. These small easy to swallow tablets are made in the uk to pharmaceutical gmp standards. Zinc is an essential nutrient and contributes to the normal function of the immune system normal fertility and reproduction and the maintenance of normal vision. It is also recognised as contributing to the maintenance of normal hair skin and nails. One in three adults in the uk receives less than the reference nutrient intake (rni) for zinc. This is largely a result of refining processes which remove up to 90% of the available zinc content from cereal grains along with the trend to eat less animal-derived protein. Br/> daily intake: 1 tablet lamberts quantity – 90 tablets zinc 15mg.