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Knowledge Base
Guides on supplements, nutrition and the research behind them, written in plain language.
Showing 5 results: immune-system All Articles
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Liposomal vs Buffered Vitamin C: What Actually Works for Immunity
The truth about high-dose vitamin C absorption. I'll show you which form works best based on clinical evidence—and which marketing claims to ignore.
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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, and which forms actually work—ba...
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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 should avoid it.
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Reishi Mushroom for Immune Calm: A Doctor's Guide to Autoimmune Support
Discover how reishi mushroom modulates overactive immunity. Dr. Amanda Foster explains dosing, research, and who should avoid this calming adaptogen.
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Why I Changed My Mind About Quercetin & Zinc for Immune Support
Discover how quercetin and zinc work together for enhanced immune defense, with specific dosing strategies and brand recommendations from a naturopath...