Zinc for Colds: When It Works, When It Doesn't, and What You're Probably Doing Wrong
RDN explains zinc's real immune benefits vs. marketing hype. Learn when to take zinc lozenges, safe long-term dosing, an...
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Zinc for Immunity: The Dosage Debate and What Actually Works
After 14 years in practice, I break down the real evidence on zinc for immune health—optimal dosage, best forms, and who...
Zinc Lozenges Are Mostly Useless—Here's What Actually Works
Most zinc supplements won't stop your cold. I'm an RD with 15 years in clinics—here's the research-backed dosing, timing...