Chewable Acerola C 500 Vitamin C by Puritan's Pride - Vitamin C for Immune Health The body's first line of defense, the physical barrier created by the skin, depends on vitamin C.. Vitamin C is necessary for the production of collagen, an important type of connective tissue. Collagen creates the structural foundation of the skin to improve skin condition. integrity, helping to effectively keep unwanted substances from entering the body. Vitamin C's important role in immune health goes beyond the skin. In the initial stages of the immune response, the white blood cells of the innate immune system trigger an inflammatory response as one of the means to combat unwanted visitors.. In a state of inflammation, large amounts of free radicals can be produced. Free radicals are unstable compounds that can prevent normal cells from functioning optimally.. Free radicals cannot distinguish your own healthy cells from your immune system's target, so they can damage your own cells. Vitamin C is a powerful antioxidant that helps fight free radicals. It also helps restore other antioxidants, such as vitamin E, to their active state to maintain antioxidant support. In addition to maintaining skin integrity and antioxidant health, vitamin C is essential for optimal white blood cell function.. During the immune response, leukocytes undergo a process of rapid division and reproduction.. Vitamin C supports the production of important B and T cells of the adaptive immune response. It also helps special types of innate immune system cells called phagocytes do their job of engulfing unwanted compounds. Try our vegetarian celery seeds today! Composition: Ingredients Per Serving - 1 Tablet: Calories 10 Total carbohydrates Sugar 2 g Includes 2 g Added Sugars Vitamin C (ascorbic acid and sodium ascorbate) 500 mg Sodium 30 mg Acerola (Malpighia glabra) (fruit) 5 mg Citrus Bioflavonoids (Citrus spp.) (Peel) 2 mg Rose hip (Rosa canina) (fruit) 2.4 mg Hesperidin complex (Citrus spp.) (Peel) 2 mg Rutin 2 mg Buckwheat (Fagopyrum esculentum) (the seeds) 19 mg Stevia extract (Stevia rebaudiana) (sheet) 9.6 mg Other Ingredients: sucrose, sorbitol, fructose, vegetable cellulose, sodium ascorbate, natural flavors, Contains <2%: blackcurrant powder, carrageenan, citric acid, raspberry puree, silica, vegetable magnesium stearate, vegetable stearic acid. No artificial colors or flavors, no preservatives, no milk, no lactose, no soy, no gluten, no wheat, no yeast, no fish. How to use: Adults take 1 tablet three times daily, preferably with meals. Warnings: Do not use if you are allergic to any of the compounds. Do not exceed recommended daily serving. Consult a physician during pregnancy or lactation. Food supplements should not be used as a substitute for a varied and balanced diet.. Keep out of the reach of children. Store in a dry and cool place. Protect from direct sunlight.