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.
Buying Guides
Our buying guides explain how to compare products of one type: which numbers on the label matter, how to work out a fair price, and what the label can’t tell you. The criteria are written out in full, so you can apply them to any product you’re considering.
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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.