Abstract: Background: Magnesium supplementation is of value in several different medical disorders. Several kinds of Mg-salts are commercially available.
Purpose: This review evaluates their bioavailability criteria such as solubility, urinary excretion, and plasma levels of magnesium from studies of different Mg-salts.
Conclusion: Although methodology differences were large, the results consistently demonstrate a better bioavailability for Mg-citrate.
Keywords: Magnesium, citrate, oxide, bioavailability.