Zinc is one of the essential trace elements for human body and plays an extremely important role in the process of human growth and development. It is often praised as the "flower of life" and "source of intelligence". Sea foods rich in zinc among daily foods, it is recommended to eat seafood two or three times in a week. In 1500 B.C, people began to treat skin diseases with minerals containing zinc;

We have two different source of Zinc for these formula, one kind of zinc is from Zinc sulfate, the other kind Zinc come from Zinc gluconate:
1. Vitamin C 1000mg with Zinc 15mg controlled release tablets,zinc is from Zinc Sulfate,big doses of Vitamin C with Zinc can synergistically improve immunity and fight colds.

We can manufacture many series of controlled release dietary supplement, the advantage of controlled release tablets is releasing time is 12 to 24 hour in the body although the dose of each tablet is very big, so you don't feel any discomfort at all, we can show you some controlled release products.