1. Vitamin C (ascorbic acid) is a water-soluble vitamin that is an essential to good health.
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2. Vitamin is water-soluble and must therefore be regularly replenished in the body.
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3. Foods that are good sources of vitamin C include green peppers, citrus fruits and juices, strawberries, tomatoes, broccoli, turnip greens and other leafy greens, sweet and white potatoes with skin, cantaloupe, Brussels sprouts, cabbage and many dark green leafy vegetables. Other excellent sources include papaya, mango, watermelon, winter squash, raspberries, blueberries, cranberries, and pineapples.
4. Vitamin C can also be taken as an oral supplement.
5. The body needs vitamin C to form and maintain bones, blood vessels, and skin.
6. Ascorbic acid and its sodium, potassium, and calcium salts are commonly used as antioxidant food additives.
7. Once eaten, vitamin C is quickly absorbed by the intestines and helps to collagen protein and act as an anti oxidant.
8. Vitamin C, flavonoids, polyphenolics and water insoluble compounds such as alpha-tocopherol (vitamin E), l-ascorbic acid contributes to the overall intake of "free radical scavengers" or "anti-oxidative metabolites" in the human diet.
9. Vitamin C acts as an antioxidant which blocks some of the damage caused by free radicals, which are by-products of our bodies transforming food into energy.
10. Vitamin C helps to build and maintain our tissues and strengthens our immune system and is critical in producing many hormones and beneficial biochemicals in our nervous systems right down to reactions that power the actual cells of your body at a mitochondrial level.
11. Vitamin C appears to help decrease total and LDL cholesterol and triglycerides, as well as increase HDL levels and studies suggest that it may be helpful in the prevention of some cancers and cardiovascular disease.
12. The antioxidant properties of vitamin C are believed to help protect smokers, as well as people exposed to secondhand smoke, from the harmful effects of free radicals.
13. Vitamin C strengthens the collagen structure of arteries, lowers total cholesterol, and blood pressure, an inhibits platelet aggregation.
14. Vitamin C is believed to help protect against heart disease by reducing the stiffness of arteries and the tendency of platelets to clump together.
15. Vitamin C when taken with vitamin E, vitamin C helps protect LDL ("bad") cholesterol from oxidation, thus preventing plaque buildup in coronary arteries. Individuals with high blood levels of vitamin C have been shown in studies to have significantly reduced risk of stroke. The risk of stroke was inversely related to vitamin C in the bloodstream.
16. Vitamin C improves nitric oxide activity which causes blood vessel to expand thereby reducing blood pressure which may help to prevent spasms of arteries in the heart that might otherwise lead to heart attacks.
17. Vitamin C has reversed dysfunction of cells lining blood vessels.
18. Vitamin C has been shown in some studies to be a cancer-preventive for certain types of cancer because of its powerful antioxidant effects which may help to fight cancer by protecting healthy cells from free-radical damage and inhibiting the proliferation of cancerous cells.
19. Several studies have shown Vitamin C can improve the antineoplastic activity of doxorubicin, cisplatin and paclitaxel. The mechanism of the effect may be pro-oxidant, not antioxidant, activity of the vitamin in potentiating the effects of these chemotherapeutic agents. High concentratins of ascorbic acid in gastric juice may reduce the risk of gastric cancer by inhibiting the formation of carcinogenic N-nitroso compounds.
20. Ascorbic acid is toxic to viruses and bacteria and other such harmful cells. It is also toxic to cancerous cells and a little less toxic to non-cancerous cells and so it is used therapeutically in cancer therapy. Many of the pollutants which now pervade our environment can cause carcinogenic, toxic or mutagenic effects. Vitamin C may be able to combat these harmful effects, in part by stimulating detoxifying enzymes in the liver.
21. Vitamin C helps to build the collagen in the connective tissue which are fibers that are the firm but flexible structures that hold the body together.
22. Vitamin C is essential for the healing of wounds, and for the repair and maintenance of cartilage, bones, and teeth.
23. Vitamin C is not MAGIC but I personally believe that it is essential to good health. The recommended dietary allowance (RDA) for vitamin C in nonsmoking adults is 75 mg per day for women and 90 mg per day for men. For smokers, the RDAs are 110 mg per day for women and 125 mg per day for men. A dose of 200 milligrams daily is almost enough to maximize plasma and lymphocyte levels. Increased intakes of vitamin C are required to maintain normal plasma levels under acute emotional or environmental stress such as trauma, fever, infection, or elevated environmental temperatures. Full blood and tissue saturation is achieved with daily intakes of 200-500mg per day (in 2-3 divided doses) for those with a body mass under 125 kg.
24. Ascorbic acid is a relatively fragile molecule and it may be lost from foods during preparation, cooking, and/or storage. Ascorbic acid is easily destroyed by oxidation, particularly in the presence of heat and alkalinity, and because it is highly soluble in water, it is often discarded in cooking water. I therefore personally choose to take a chewable vitamin C of 250mg twice daily, and I increase this to 500mg twice daily when I am feeling ill or very tired. Consult you health professional and determine what is right for you.
Quick Reality Check - Vitamin C - Miracle Vitamin?
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Oct 29, 2011 08:53:22
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