Immune Support Supports Enzyme Functions Non-GMO A Dietary Supplement Vegetarian - Vegan Kosher Minerals Family Owned since 1968 GMP Quality AssuredZinc is essential to the normal function of many organs and systems within the body including the skeletal, immune, neurological, and endocrine systems. Zinc is a necessary mineral co-factor for hundreds of enzymatic reactions related to protein and carbohydrate metabolism, RNA/DNA synthesis, and intercellular signaling. It is also known to play a critical role in the body's defense against oxidative processes and is especially helpful for maintenance of healthy aging.