Compare the details.

Different bottles. Different forms. The same careful questions. Our comparisons explain the differences without declaring a universal winner.

3 guides to explore

Nature Made, NOW, and Life Extension compared by serving size, elemental magnesium, capsule count, and cost.

Look beyond the form name to elemental magnesium, serving size, tolerance, and the limits of health claims.

Understand the two forms, convert micrograms and IU, and compare products without assuming more is better.