It is a powerful antioxidant that strengthens the immune system, fights infections, promotes more rapid healing of wounds and is important for the health of the gums, teeth and blood vessels. Also vital to the production of collagen, which are used for the construction of the body tissue and bone. In its natural state is found in most fruits and vegetables - citrus fruits, kiwi, strawberries, green vegetables and potatoes - acts as an antioxidant. Some research suggests that vitamin C can cure the common cold, but can relieve symptoms. Furthermore, there is evidence that long-term intake of vitamins in pills may protect against cataracts (cataracts). Study in Dubai assured that vitamin C increases sperm count and is therefore useful for men suffering from infertility. Nevertheless, excessive use of vitamin C is not recommended.