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  [RC] Magnesium and Chromium - how much is too much? - maryDoes anyone 
know how much is too much magnesium?  A friend whose horse (7 yrs.) had 
problems with rain rot and founder found out that her horse does not have 
Cushings, but is has problems with intolerance to sugar.  The vet gave 
her a magnesium/chromium supplement, but how much is too much? Now 
that her horse is doing good she is supposed to go back to regular 
supplements but she wants to make sure she is giving enough but not too 
much.  Any 
ideas? 
Thanks, 
Mary 
 
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