21st Century Vitamin C Supplement 1000 mg Prolonged Release Tablets helps boost your immune system for longer. This Vitamin C supplement contains 1000mg of Vitamin C per serving, which is gradually released in your body over time to assist strengthen your immune system and antioxidant levels. Vitamin C is an antioxidant ingredient that helps to build and promote immunity by removing toxins from the body also prevents or reduces cell damage produced by free radicals, so preventing disease. Free radicals may increase the risk of inflammation and other health problems. Vitamin C scavenges free radicals from bodily cells, preventing or reducing the damage produced by oxidation. Free radicals, if not removed by antioxidants, would cause inflammation, cancer, premature aging, and possibly heart disease. Vitamin C also helps your immune system by supporting a variety of cellular actions in your body's adaptive immunity such as creation of white blood cells called lymphocytes and phagocytes, which help protect the body against infection. Vitamin C improves the activity of white blood cells while protecting them from potentially damaging free radicals. As we age, our bodies deplete crucial nutrients more quickly, so it's critical to maintain a wellness-focused lifestyle and diet, as well as supplement with nutrients from 21st Century healthy antioxidants.