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  1. #1
    Join Date
    Jun. 23, 2006
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    Stoystown, PA
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    Default MSM/Selenium

    I ran across this today but can't seem to really find anything on it. Does MSM block selenium uptake?
    Boyle Heights Kid 1998 OTTB Dark Bay Gelding
    Tinner's Way x Sculpture by Hail to Reason
    "Once you go off track, you never go back!"



  2. #2
    Join Date
    Nov. 30, 2009
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    1,239

    Default

    Yes. We here in the PNW are very low on Selenium. I stopped feeding anything with MSM in it years ago. Unfortunately, it is a frequent addition to most supplements and hard to eliminate.



  3. #3
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    Default

    I cannot find any studies or documentation to support that. I saw somewhere that it does in ruminants but you have to feed a lot of MSM for it to happen.
    Boyle Heights Kid 1998 OTTB Dark Bay Gelding
    Tinner's Way x Sculpture by Hail to Reason
    "Once you go off track, you never go back!"



  4. #4
    Join Date
    Jul. 27, 2011
    Location
    where metro meets the mountains
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    829

    Default

    I've never heard about it blocking selenium uptake. However, when the body synthesizes MSM, it converts into DMSO, which *in theory* would then make any supplements, vitamins, etc you're feeding along with it be absorbed and utilized better. Definitely an interesting question OP, and one I hope someone with more knowledge chimes in on, as it would cause me to reconsider my current feeding routine.



  5. #5
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    Jun. 23, 2006
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    Stoystown, PA
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    Default

    You would think it that were the case, horses all over would be experiencing problems with selenium deficiency. I too hope that someone with more knowledge will chime in.

    RAyers maybe??
    Boyle Heights Kid 1998 OTTB Dark Bay Gelding
    Tinner's Way x Sculpture by Hail to Reason
    "Once you go off track, you never go back!"



  6. #6
    Join Date
    Nov. 30, 2009
    Posts
    1,239

    Default

    I learned of the problem with Selenium and MSM at the USDF convention many years ago when it was in Portland. The vet lecturing on sport horse nutrition and care (her name escapes me) made a special point to tell the local attendees about the risk. Sorry, I cannot site the studies, but I believed her!



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