Nutraxin Vitamin C. It will be your biggest support to strengthen your immune system with a high amount of vitamin C in each tablet. With its Time-Release formula, it implements benefits throughout the day. 'Vitamin C contributes to the normal function of the immune system. For adults, it is recommended to use 1 tablet daily as a food supplement. Product Certificate In Each TabletL-ascorbic Acid1000 mgRosa canina Extract100 mgCitrus bioflavonoid complex (Citrus aurantium, citrus sinensis, citrus paradisi, citrus lemon)50 mg