Magnesium citrate receives the most positive reviews among magnesium supplements due to its high percentage of bioavailability or absorption rate, says Metabolics. Additionally, the stomach's acidity and pancreatic alkalinity improve its bioavailability to exceed that of magnesium oxide, which does not readily dissociate.Continue Reading
Magnesium citrate has weak ionic bonds that increase its bioavailability to 16 percent, notes Metabolics. The compound attracts water through the tissues by osmosis, a process that initiates defecation in the small intestines. Doctors mostly use magnesium citrate for laxative preparations, explains Peoples Rx.
Magnesium citrate is highly absorbable among other magnesium supplements such as malate and chloride. Absorption for supplements such as magnesium oxide and sulfate is poor, notes Metabolics.Learn more about Vitamins & Supplements