Complete support for your natural defenses, vitamin c immune support is the easiest way to give your immune system all the support it needs to keep you protected year round. If your body isnt getting enough essential vitamins and minerals from your diet, your immune system may not be able to achieve normal function. Our powerful all-in-one immune support combines select vitamins & minerals with our natural, herbal immune boost blend to guard against nutrient deficiencies and give your immune system all the building blocks it needs to keep you protected. The elderberry, echinacea, and cordyceps extracts weve included are rich in polyphenols and other phytonutrients which provide a range of complimentary benefits like boosting energy and maintaining a properly functioning respiratory system and sinuses. Just one easy serving per day covers all the bases to keep your immune system on the ball! Vitamin c: vitamin c is a powerful antioxidant which stimulates & supports the immune system by helping neutralizing harmful free radicals, reducing oxidative stress, and promoting the production of protective collagen & immune cells. Vitamin d: called the sunshine vitamin because its made in response to sunlight and improves our mood, vitamin d plays an essential role in activating certain white blood cells, a key feature of a normal immune response. It also helps with magnesium absorption. Zinc: zinc works in tandem with vitamin c to support the production of immune cells, and co-ordinate cell signalling, which is especially important in older adults. Zinc helps increase the availability and absorption of other nutrients. Magnesium: magnesium is involved in over 300 chemical process in the body, including many related to the immune system. Magnesium also helps with the absorption of vitamin d and regulation of zinc levels.