Proantho-C®   ( 60 tablets per bottle ) Product #  PROAC-meta     Each tablet contain:       Vitamin C (Ultra Potent-C®†)    250 mg   Niacin    20 mg   HERBS:       Grape Seed Extract (Vitis vinifera)    25 mg     Suggested Use: As a dietary supplement, one tablet twice daily, or as directed by a physician. † Ultra Potent-C® is a patented form of vitamin C: U.S. Patent #5,626,883. For a list of ingredients, please refer to the Ultra Potent-C product page.   Suitable for vegetarians