Natural C 1000 mg - 250 Tablets

Natural C 1000 mg with Bioflavonoids Natural C 1000 mg from Douglas Labs contain 1000 mg vitamin C per tablet with rose hips and an additional amount of bioflavonoid complex. Vitamin C with Rose Hips and Bioflavonoids Complex Vitamin C (ascorbic acid) has numerous biological functions. Foremost, it is essential for the synthesis of collagen which is the building material of all connective tissues, such as skin, blood vessels, tendons, joint cartilage and bone.  Vitamin C is the required coenzyme for two groups of enzymes that catalyze the crosslinking of collagen fibers - lysyl hydroxylases and prolyl hydroxylases.