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Vitamin C: Effects
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What's more, when they looked at responses in four of the patients, they found that in two of them, the response to vitamin C took place within five hours. According to Ritter, this might mean that taking a vitamin C tablet at the first sign of a cold could achieve an effect quickly enough to ward off that cold. "You may not have to take it every day," she says.
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Vitamin C chemically decomposes under certain conditions, many of which may occur during the cooking of food. Normally, boiling water at 100°C is not hot enough to cause any significant destruction of the nutrient, which only decomposes at 190°C, [33] despite popular opinion. However, pressure cooking, roasting, frying and grilling food is more likely to reach the decomposition temperature of vitamin C. Longer cooking times ... add to this effect, as will copper food vessels, which catalyse the decomposition.[33]
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Natural vs. Synthetic: The synthetic vitamin C molecule is chemically identical to natural forms. The difference arises in other nutrients that accompany the C, such as bioflavonoids, which make the C more effective. Natural Vitamin C is hard to come by, and expensive.
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Reports of harmful effects of vitamin C tend to receive great prominence in the world's media. Many such reports have never been published in peer reviewed journals, which casts some suspicion on their credibility.
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Boosting insulin with vitamins C and E may improve the drug's effectiveness for treating diabetes. A UC Irvine College of Medicine study has found that the popular antioxidant supplements not only enhance insulin's ability to reduce blood sugar, but ... lower the risks of organ damage that can occur despite insulin treatments. The study appears in the January issue of Kidney International.
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Vitamin C will be more effective if taken with bioflavonoids, calcium and magnesium. To enhance the antioxidant properties, it will be best to take it with the other anti-oxidants, as there is strong evidence of synergy between all of them.
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