A big-picture look at the supplement world: how they work, why the advice is so mixed, and what’s behind the marketing. Just a practical, slightly skeptical guide to making sense of it all.

Straight Facts:

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• Arancibia-Hernández YL, Hernández-Cruz EY, Pedraza-Chaverri J. Magnesium deficiency and chronic disease. Cellular Physiology and Biochemistry. 2023;57(S1):1–23. doi:10.33594/000000603
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• Kuang X, Liu C, Guo X, et al. Vitamin K and D effects on bone. Food & Function. 2020;11(4):3280–3297. doi:10.1039/c9fo03063h
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