Supplement guides

Plain explanations of labels and ingredients, with the sources we used. Written by the verdavita editorial team.

How to read a Supplement Facts label

A Supplement Facts label tells you how much of each ingredient is in one serving. Start with the serving size, then read the amounts, and treat any blend without individual amounts with more caution.

Magnesium glycinate vs. citrate: what to look for on the label

Magnesium glycinate and magnesium citrate are two forms of the same mineral, bound to different compounds. To compare products, check the form in parentheses and the amount of magnesium per serving.