Complex C Offering 250 mg of Vitamin C per serving, this immune support supplement is a daily wellness staple for men and women. On top of its immune health benefits, Vitamin C also helps increase Iron absorption from food and is an essential antioxidant needed for collagen synthesis to support overall skin health.+ Each serving of these immune support Vitamin C tablets is made with a real food blend that includes 536 mg of brown rice, orange, amla fruit, rose hip fruit, cranberry, green bell pepper, and wild blueberry.