So FA says Ca-Oxalate is precipitated by hypocitraturia. But then it also mentioned that it can be caused by vitamin C abuse. What am i missing ?
Calcium oxalate stones
- Thread starter AZ7
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A swedish study published in 2013 ( http://archinte.jamanetwork.com/article.aspx?articleid=1568519 ) found that "men" taking excess Vit. C supplementation were twice as likely to form calcium oxalate stones. This is because excess Vit. C is partly excreted as oxalate. In contrast, in hypocitraturia , there is less citrate to bind to calcium ( calcium citrate is more soluble ) and so calcium binds to oxalate and precipitates.
