How to Read a Supplement Facts Label
Serving sizes, %DV, proprietary blends and the small print: a line-by-line guide to the Supplement Facts panel, so you know what a bottle actually contains.
Supplements
Vitamins, minerals and other supplements: what the research shows, which doses have been studied, and how to read a label before you buy. Where the evidence is weak or mixed, we say so.
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How to Compare Magnesium Supplement Labels
How to compare magnesium supplements using the label: magnesium per serving, form, serving size, other ingredients, independent testing and price.
How to Compare Omega-3 Supplements
What to compare when choosing an omega-3 supplement: EPA and DHA per serving, serving size, freshness, independent testing and price per serving.
Magnesium Glycinate vs Citrate: What’s the Difference?
Glycinate and citrate are two common forms of magnesium. How they differ in chemistry, magnesium content and evidence, and what the research doesn’t show.