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Magnesium oxide is 4% absorbable
Magnesium oxide is 4% absorbable, don't waste your time... Basically it's like eating a rock out in the driveway. Just like calcium carbonate is limestone aka, chalk. Rocks aren't good for you, chelated minerals are absorbable... Magnesium Citrate, Glycinate, or Taurinate will absorb.
May 2017 · Health and Household