Its common nowadays to see people buy tabs Vitamin C pills, chewable tablets and early season cold and flu. While some swear by the immune system enhancing properties some question remains whether these supplements really help. There are many studies that show vitamin C is definitely needed by the body to produce collagen and without it you will end up dying of scurvy. Other studies have found benefits of vitamin in other areas, making use of its antioxidant properties. While some claim the vitamin may be used in high doses to treat colds or reduce the degree and severity of disease. First vitamin C has been studied as an aid in the fight against cancer. An exciting, but the preliminary study was conducted on cancer cells live in a test tube. The scientists administered infusions of vitamin C to a set of nine cancer cell cultures and four cultures of normal cells. Cancer cells showed a decrease of fifty percent survival rate, while normal cells appear unaffected. Vitamin C appears to kill cancer cells in a lab environment. Although this is promising, it should be noted that this is not a study that was conducted in humans and many things may be promising in the laboratory, but some things do not work in real-world trials. Diabetics may be interested to know that vitamin C is being studied as a means of increasing receptivity of the body to insulin. The disease is characterized in part by blood vessels unable to respond nitric oxide (NO), which is secreted by the walls of blood vessels and encourage the muscles to relax increasing the blood flow to areas of the body. The vessel walls to relax and do contribute to insulin resistance of the organism. It was confirmed that injections of vitamin C have improved the reaction vessel wall of NO in diabetic patients. The new study will monitor the effectiveness of oral vitamin C in diabetic patients. There were many, many studies attempt to determine whether vitamin C can actually prevent colds. In the seventies, there was a series of tests conducted by a team led by Dr. Terrence Anderson at the University of Toronto. His studies showed the same results as many other studies, that vitamin C if needed in the body does not prevent colds. It does not appear to decrease the length of time you have a cold by half a day on average and there is no need to take very high doses to achieve that goal. It seems you can get the same effect as a very high dose vitamin C higher than the usual dose of 250 mg over a cold when the cold ends, you should return to the recommended daily value of 60 mg
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