Source Naturals C-B-R 100 Tab

C-b-r® vitamin c/bioflavonoid complex antioxidant protection c-b-r(tm) is a complex of vitamin c (ascorbic acid), citrus bioflavonoids, and rutin, a non-citrus bioflavonoid. Vitamin c and bioflavonoids occur naturally together in plants, where they provide a synergistic antioxidant effect. Vitamin c is the single most commonly used vitamin supplement. It plays a major role in the formation of collagen (a structural protein in connective tissue), in amino acid metabolism and hormone synthesis, and in the utilization of many nutrients, such as folic acid and iron. It is also a key factor in the body's immune system. stearic acid, microcrystalline cellulose, dibasic calcium phosphate, silica, modified cellulose gum, and magnesium stearate.ingredients: vitamin c (as ascorbic acid) -500 mgcalcium -21 mgcitrus bioflavonoid complex -500 mgrutin -52 mghesperidin complex -50 mgacerola cherry fruit extract -1 mgother ingredients: 1 tablet daily..