Vitamins & Minerals
Evidence-based guides to vitamins, minerals, benefits, dosage, forms, and safety.
Omega-3 Fish Oil: Benefits, Dosage, and How to Choose
Fish oil is one of the biggest supplement categories in the world, and also one of…
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Zinc: Benefits, Dosage, and Why More Isn’t Better
Zinc is an essential mineral involved in immune function, wound healing, taste and smell, and hundreds…
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Vitamin B12: Who Actually Needs to Supplement
Vitamin B12 is essential for nerve function, red blood cell formation, and DNA synthesis — and…
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Magnesium Glycinate vs Citrate: Which Should You Take?
Magnesium glycinate and magnesium citrate are two of the most popular magnesium supplements — and they’re…
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Magnesium: Benefits, Dosage, and How to Choose a Form
Magnesium is one of the most commonly supplemented minerals, involved in over 300 enzyme reactions in…
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Vitamin D3 vs D2: What’s the Difference?
Vitamin D supplements come in two forms — D2 (ergocalciferol) and D3 (cholecalciferol) — and the…
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How to Choose a Multivitamin
Multivitamin shelves are crowded with products that look similar but vary enormously in quality. Here’s what…
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Thorne Magnesium Bisglycinate Review
This is a research-based review, not a hands-on test — see our editorial policy for how…
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