Guest guest Posted September 13, 2007 Report Share Posted September 13, 2007 Vitamin C, naturally found in citrus fruits like guava, orange, kiwi, papaya, grapefruit, mango, and lemon, and in some vegetables like green pepper and broccoli, is very famous for its cold fighting abilities. But we generally commit the mistake of ignoring the other essential roles carried by this vitamin, and the very common deficiency is causing many troublesome 'taken for granted' diseases, that can develop into potentially fatal diseases like anemia and scurvy. Vitamin C is vital in healing injuries like scars, burns, and bruises; building up, strengthening, and healing bones and connective tissues like tendons and ligaments; maintaining and developing blood vessels and consequently fighting heart attacks and strokes due to better blood vessel dilation; preventing the loosening of teeth and the bleeding of gums; healing and relieving the urinary tract; acting together with calcium and vitamin D to heal and prevent diseases concerned with weaker and easily fractured bones like osteoperosis and diseases of the joints and cartilage like osteoarthritis; and preventing and treating scurvy. This is due to the important role of vitamin C in forming the protein collagen, which is a major part of the extracellular matrix that supports and gives shape to most tissues. Creams and shampoos containing cooling menthol can cause nasty irritations if applied to burns, and it is best to avoid them and take more vitamin C instead, and salty water like sea water cleans and helps heal injuries and burns faster, but is not effective if vitamin C is down. Vitamin C also fights and prevents to some extent diseases like cancer and asthma, and this is due to its antioxidative and detoxifying nature. Other functions of vitamin C include strengthening the immune function, fighting depression, reducing constipation as a natural laxative, increasing iron absorption which produces haemoglobin and thereby preventing anemia, and participating in the synthesis of the thyroid hormone which is a main player in body metabolism. The effect of vitamin C on fat metabolism through the thyroid can sometimes be the reason for obesity, where another influencing factor is vitamin B12, which is only available in animal products (preferably fish, for its high calcium, vitamin D, and omega 3 oil content and for its good taste), and is directly involved in fat metabolism. The gift of vitamin C lies in giving people the ability to be healthy throughout their entire lives, and that is something we cannot ignore! According to the Institute of Medicine, the RDA for vitamin C is 75mg for women, and 90 mg for men; with an additional 35mg for smokers, due to the increased oxidative stress brought on by smoking, and with the RDAs for pregnant and breast feeding women being 85mg and 120mg respectively. But those RDAs are no where near enough according to researchers like Linus Pauling, who rejects the current RDAs as being based only on the prevention of deficiency diseases like scurvy, and not on the prevention of chronic diseases and the promotion of optimal health, and recommends a minimum intake of 200 to 250mg daily for healthy individuals. The half life of vitamin C in the human body is very short (about 30 minutes), which causes vitamin C to deplete very quickly if a person stops taking vitamin C, and this is the reason for its very common deficiency. It is also arguable that the intake of vitamin C has to be higher for females than for males, due to the lower bone densities in females which makes them much more vulnerable to osteoperosis. If there is a disease, it is often recommended to take on a daily basis 500 to 1000mg of vitamin C, to meet the increased demand for vitamin C which is required to fight the disease (doses greater than 2000mg may lead to diarrhea, rashes, and other problems, and have to be consulted by a physician), where Vitamin C supplements can be useful. It is good to rely on fresh fruits and vegetables to meet recommended intakes of vitamin C, and not on juices made from concentrated fruits, which are often misleadingly low in vitamin C. Otherwise, it will be necessary to take vitamin C supplements, or to check the vitamin C content of juice boxes, which should be in the range of 20mg vitamin C per 100ml of juice or more, so that adequate intake is not difficult to achieve. Quote Link to comment Share on other sites More sharing options...
Recommended Posts
Join the conversation
You are posting as a guest. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.