Supplements
Best Probiotic for Immune Support 2026: Lactobacillus rhamnosus GG (Culturelle) for URI Prevention
Lactobacillus rhamnosus GG (Culturelle) has the strongest RCT evidence for upper respiratory infection prevention. Hemilä 2013 Cochrane review showed reduced URI incidence + duration in probiotic-treated groups. 10 billion CFU...
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