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Here's what looks to be a sensible review of the uses of supplemental Vit. C: http://www.acu-cell.com/vitc.html | ||
The debate continues. http://www.drlam.com/opinion/c...vascular_disease.cfm With few exceptions all animals synthesize their own ascorbate by conversion from glucose. In this way they manufacture a daily amount of ascorbate that varies between about 1 gram and 20 grams, when compared to the human body weight. About 40 million years ago the ancestor of man lost the ability for endogenous ascorbate production. This was the result of a mutation of the gene encoding for the enzyme L-gulono-g-lactone oxidase (GLO), a key enzyme in the conversion of glucose to ascorbate. As a result of this mutation all descendants became dependent on dietary ascorbate intake. The precondition for the mutation of the GLO gene was a sufficient supply of dietary ascorbate. Our ancestors at that time lived in tropical regions. Their diet consisted primarily of fruits and other forms of plant nutrition that provided a daily dietary ascorbate supply in the range of several hundred milligrams to several grams per day. When our ancestors left this habitat to settle in other regions of the world, the availability of dietary ascorbate dropped considerably and they became prone to scurvy. http://www.mercola.com/2001/mar/28/cvd.htm http://doityourself.com/diet/vitaminsandminerals.htm The wellness gurus at the Center for the Improvement of Human Functioning, which is in Wichita and is an internationally acclaimed research center, all advocate anti-oxidant doses and maintain this is necessary to offset the dire consequences of the genetic mutation mentioned above. The RDA dose will prevent scurvy, but that's not saying much. I've been taking around 6 grams of buffered C a day for years with seemingly no ill effects. That's what it seems to take for a measurable level of C to show up in my blood samples. Each individual will have different needs, here, so it really is difficult to progonosticize for everyone. | ||||
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