[RC] Calcium Carbonate - Barb PeckDrin: I only take 'pharmaceutical' grade calcium carbonate for myself- and I give the horses 'feed' grade. The classification grade (pharma, feed- fertilizer etc.). has to do with the amount of impurities by weight- and of course pharaceutical grade is the most pure. Calcium carbonate is a compound- ... it's only the elemental calcium's used by the body. So by weight- you may have 1500mg of powder- but in that 1500 mg dose, there may be only 500 mg of elemtal calcium. The lower the grade- the more "stuff' is going to be in there... and beyond the minerals nature nmolecular structure- probably no one can tell you what the extra stuff is- Just make sure you bough Feed grade and not fertilizer grade. Barb =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Ridecamp is a service of Endurance Net, http://www.endurance.net. Information, Policy, Disclaimer: http://www.endurance.net/Ridecamp Subscribe/Unsubscribe http://www.endurance.net/ridecamp/logon.asp Ride Long and Ride Safe!! =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
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