What nutrients work to ward off colds and flus?

Exploring the science behind popular immune-boosting nutrients and remedies. Which supplements like vitamin D, vitamin C, and zinc have evidence-based benefits, how the microbiome influences immunity, and why practices like good hygiene, sleep, and stress management matter most. 

Mentioned in this episode:

Influence of Vitamin D Supplementation by Simulated Sunlight or Oral D3 on Respiratory Infection during Military Training - PubMed

Vitamin C reduces the severity of common colds: a meta-analysis | BMC Public Health | Full Text

Frontiers | Current Status of Probiotics as Supplements in the Prevention and Treatment of Infectious Diseases

Elderberry Supplementation Reduces Cold Duration and Symptoms in Air-Travellers: A Randomized, Double-Blind Placebo-Controlled Clinical Trial - PubMed

Nutrition Diva #787 - Sunscreen vs. Vitamin D: Finding the right balance

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