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Vitamin C

Question:

I have been taking massive doses of Vitamin C recently.  I have read several studies suggesting that Vitamin C is very good for your eyes and for lowering IOP. Your eye has about 25 times higher concentrations of vitamin C than your blood serum. Can anyone post more studies or information?

Response:

I took high doses of Vitamin C a few years ago. I slowly built up to 12 grams/day. It did seem to reduce the IOP by about 2-3 mm, but there were a few side effects such as occasional diarrhea (which is sometimes expected) However, a bad side effect was that I developed a kidney stone which I was fortunately able to pass without surgery. In my case, this was bad enough of a side effect to make me stop taking it – I occasionally take up to 1 g/day if I feel a cold coming on. "Tom" <lf…@spam.net> wrote in message

news:RJ6dnR9cwryIMH3cRVn-pg@comcast.com… – Hide quoted text — Show quoted text ->I have been taking massive doses of Vitamin C > recently.  I have read several studies suggesting that > Vitamin C is very good for your eyes and for lowering > IOP. > Your eye has about 25 times higher concentrations > of vitamin C than your blood serum. > Can anyone post more studies or information?

Response:

"Sav Sood" <savs…@symaptico.ca> wrote in message

news:T%cFd.25655$b64.706786@news20.bellglobal.com… – Hide quoted text — Show quoted text -> I took high doses of Vitamin C a few years ago. I slowly built up to 12 > grams/day. It did seem to reduce the IOP by about 2-3 mm, but there were a > few side effects such as occasional diarrhea (which is sometimes expected) > However, a bad side effect was that I developed a kidney stone which I was > fortunately able to pass without surgery. In my case, this was bad enough of > a side effect to make me stop taking it – I occasionally take up to 1 g/day > if I feel a cold coming on. > "Tom" <lf…@spam.net> wrote in message > news:RJ6dnR9cwryIMH3cRVn-pg@comcast.com… > >I have been taking massive doses of Vitamin C > > recently.  I have read several studies suggesting that > > Vitamin C is very good for your eyes and for lowering > > IOP. > > Your eye has about 25 times higher concentrations > > of vitamin C than your blood serum. > > Can anyone post more studies or information?

It is a fallacy that vitamin C causes kidney stones. Apparently there is the argument that Vitamin C can either acidify your urine or turn it alkaline. Some people are susceptible to kidney stones if their urine is either too acidic or alkaline. But vitamin C can either be taken as ascorbic acid or sodium ascorbate so this is not an issue. I find it interesting that vitamin C lowered your IOP.  Does anyone else have similar experiences? It is very disturbing that the stock of B & L went up two points after news on their glaucoma medication.  It seems that corporate profits may be leading to insufficient research into safer treatments that dont involve huge corporate profits.

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