About this item Immune Support: Vitamin C is one of leading nutritional vitamins for immune support, plays an important role in function of white blood cells. Vitamin C capsules contains naturally occurring citrus biofavonoids and rose hips extract to support your immune system. Antioxident Supplement: Vitamin C is one of the best antioxidants for fighting free redicals. Free redicals can cause oxidative stress that may lead to premature aging of the cells. Promotes the production of collagen, growth and tissue repair, which enhance hair skin and nails health. Zinc Supplement: These vitamin c with zinc contain 300% of your daily value of zinc, which plays a central role in your immune system and essential for the functioning and signaling of immune cells.