Vitamin C for Oxidative Stress-Reduction, Immune System and Whole-Body Support. Buffered Vitamin C powder contains the essential Vitamin C nutrient which can help reduce oxidative stress, support collagen formation, promote iron absorption and support the immune system. Simultaneously Buffered Vitamin C also contains the essential minerals calcium, magnesium, zinc and potassium to produce a reduced-acid solution that is non-irritating to the stomach and intestinal lining. Vitamin C is an essential mineral that the body cannot produce, and is required at higher-than-normal levels during times of stress. Vitamin C is a white, crystalline, water-soluble substance found in citrus fruits. As an antioxidant, vitamin C can scavenge free radicals in the body and helps protect tissues from oxidative stress as well as support the immune system. Vitamin C also promotes the absorption of iron, while inhibiting its oxidation in the body. Furthermore, Vitamin C is a vital co-factor to the formation of collagen, the connective tissue that supports arterial walls, skin, bones, and teeth. It can also help aid physical stresses on the body such as ingestion of heavy metals cigarette smoking and extreme temperatures also signal the need for increased vitamin C intake. Vitamin C Powder contains four buffering minerals, in addition to ascorbic acid (Vitamin C) which promotes whole-body health. When mixed with water, Buffered Vitamin C powder produces a reduced-acid solution that is non-irritating to the stomach and intestinal lining. The minerals make this solution a more pleasant-tasting and healthful drink. The substances used in this product make it effervesce for a short while when mixed with water.