Klaire Labs' Magnesium Glycinate Complex is one of the best options, as it's third-party tested, manufactured in a GMP-certified facility, and free of artificial colors, flavors, and preservatives. Each capsule blends chelated magnesium glycinate with magnesium oxide.

Is chelated magnesium better?

Similarly, a study in 30 adults noted that magnesium glycerophosphate (chelated) raised blood magnesium levels significantly more than magnesium oxide (non-chelated) ( 5 ). What's more, some research suggests that taking chelated minerals may reduce the total amount you need to consume to reach healthy blood levels.

What is the most effective form of magnesium supplement?

Magnesium glycinate -- Magnesium glycinate (magnesium bound with glycine, a non-essential amino acid) is one of the most bioavailable and absorbable forms of magnesium, and also the least likely to induce diarrhea. It is the safest option for correcting a long-term deficiency.