Expert insights and guides on health, nutrition, and supplements
RDN explains zinc's real immune benefits vs. marketing hype. Learn when to take zinc lozenges, safe...
After 14 years in practice, I break down the real evidence on zinc for immune health—optimal dosage,...
Dr. Amanda Foster, MD, examines the science behind medicinal mushrooms for immune support. Learn whi...
I was skeptical about echinacea for years. Here's what the research actually shows about timing, dos...
I used to dismiss echinacea as placebo—until I saw the data. Here's when it actually helps prevent c...
Dr. Amanda Foster explains when echinacea actually works for cold prevention, backed by 2024 researc...
Wondering if echinacea can stop a cold? I've reviewed the latest clinical trials and share what real...
I used to dismiss echinacea—until I saw the data. Here's what research shows about immune activation...
Board-certified MD explains when echinacea works, proper dosing, and who should avoid it—based on 20...
Dr. Sarah Chen, PhD, RD examines elderberry's antiviral evidence, optimal dosing, and who should avo...
Most zinc supplements won't stop your cold. I'm an RD with 15 years in clinics—here's the research-b...
I used to dismiss echinacea—until the 2023 Cochrane review changed everything. Here's exactly how to...