Supplements

Is Magnesium Oxide Really Only 4% Absorbed?

Almost certainly not. The 4% figure traces to a single urinary-excretion study from 2001 that tested commercial magnesium preparations, did not test magnesium glycinate at all, and whose own authors...

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Is Buffered Magnesium Glycinate Bad?

No. "Buffered" is the supplier's term for magnesium bisglycinate blended with a denser magnesium salt, usually magnesium oxide, to raise the magnesium per gram. It is a standard ingredient grade...

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