Douglas Laboratories - Natural C 1000mg - 250 tabs
Natural C 1000 mg with BioflavonoidsNatural 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 ComplexVitamin 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.