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General Fitness & Nutrition: Calcium Supplements

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    • CommentAuthorSilver Membershipadwileski
    • CommentTimeMay 27th 2009
     
    adwileski

    This may be a basic question, but I'll ask anyway.  What is the difference between calcium carbonate supplements and calcium citrate supplements?  Is one more readily absorbed into the body than the other, and is one more beneficial to runners?

    Thanks!

    • CommentAuthorFree Memberlms1122
    • CommentTimeJul 6th 2009
     
    lms1122
    Calcium citrate is absorbed 2.5 times more than calcium carbonate. If you are taking a calcium supplement be sure you take a vitamin D supplement. Vitamin D is REQUIRED for calcium absorption so without it you calcium supplementation could be useless (I wrote an article on vitamin D with one of my professors. Here is the link if you are interested in learning more: http://mlo-online.com/features/2009_june/0609_special_mlo.aspx). As for one being better for runners I would say no, they are equal. Some supplements can cause gas and GI discomfort, but it is very individualized.
    • CommentAuthorSilver Membershipadwileski
    • CommentTimeJul 7th 2009
     
    adwileski

    Great, thanks!  I had almost forgotten all about this post.  I have was taking calcium carbonate in the past and made the switch to citrate, both with vitamin D, when my wife's doctor recommended it for her over the other.  I switched simply because I don't want our kitchen counter / cabinet to look like a small pharmacy. 

    Thanks for the info!

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