Nutraceuticals
Evidence-based articles on dietary supplements, vitamins, functional foods, and nutrition science.
⚕️ Disclaimer: The information provided here is for educational purposes. Always consult a healthcare professional before starting any supplement regimen.
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Vitamin D: Deficiency, Sources, Supplements, and Whether D3 Beats D2
From the sunshine vitamin to the supplement aisle — what vitamin D really does, who’s at risk of deficiency, and whether D3 is better than D2.
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Collagen Supplements: What the Evidence Actually Shows
The honest, evidence-based answer on collagen supplements — what the trials show, where they fall short, and what it means for you.