Organika Kids Liquid Zinc with Vitamin C - Combines two essential nutrients to ensure healthy immune function. Zinc is required by the body for many important processes, from metabolism to protein synthesis and wound healing. It is also crucial for proper immune function. Vitamin C is a known immune health booster, it is a superb antioxidant that helps protect the body from the damaging effects of free radicals, and also encourages the production of white blood cells, a key part of the body’s defense against infection.