Zinc picolinate is a bioavailable form of zinc, and is an essential mineral that works to support immune system health and other metabolic functions. While traditionally zinc is obtained from diet, it is also often taken as a supplement. ]Zinc Picolinate Formula from Seroyal Genestra Brands offers 30mg of zinc per capsule, and seeks to support immune system health and promote cell health. The vegan/vegetarian-friendly supplements also seek to support metabolic health.