C-Plus Citrus Bioflavonoid Caps Information Vitamin C+ Bioflavonoids is primarily an antioxidant used to prevent infections, bruising, colds ? flu, sinusitis, sore throats, blood clots, arthersclerosis, high blood pressure, physical and mental stress, weak immune system, cholesterol levels, liver toxicity and collagen formation. Twinlab offers the highest quality bioflavonoid content concentrated from fresh lemons, oranges, grapefruits, limes and tangerines, along with the greatest number of individual bioflavonoids available from any manufacturer. Unlike other products, each production batch of Twinlab bioflavonoids is assayed by independent laboratories and tested by HPLC (high pressure liquid chromatography) to measure and assure the true content of the individual and total bioflavonoids. Twinlab C-Plus Citrus Bioflavonoid Caps are easier to swallow and assimilate. C-Plus Citrus Bioflavonoid Caps Ingredients Vitamin C - 1000mg - 1666%, Citrus Bioflavonoid