With EIGHT superior forms of vitamin C plus high qualitycitrus bioflavonoids PIONEER Vitamin C Complex is perhapsthe most comprehensive vitamin C formula ever devised.Most animals on earth are able to synthesize their own supply ofvitamin C but humans must rely on dietary sources to obtain thiskey nutrient. An important antioxidant in lung and other tissuesvitamin C is required for a host of biochemical activities includingcollagen synthesis and wound healing.Other products from HerbsPro