Whats the difference between a protein shake and a "MRP" ?

Discussion in 'Fitness & Nutrition' started by Jeff Merr, Jan 22, 2006.

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  1. Jeff Merr

    Jeff Merr Elite Member

    Jul 4, 2003
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    Northern California
    I never understood what the difference was besides some fortified vitamins and a little carbs. If i have a shake between meals it's 2 scoops ON and 12oz water or milk. Whats the difference? MRP's seem to be ridiculously expensive, and people seem to buy them up regardless.
  2. getjacked

    getjacked Guest

    It's generally what you said, and some of them contain casein instead of whey
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