BioGaia’s probiotic Protectis increases SARS-CoV-2 antibody response in adults
A randomised, triple-blinded, placebo-controlled study with BioGaia’s probiotic Protectis was shown to increase SARS-CoV-2 antibody titres in healthy volunteers when 28 days or more had elapsed from vaccination. It suggests that probiotic supplementation may enhance the long-term protection against breakthrough infections.The study included 159 healthy adults without prior SARS-CoV-2 infection or COVID-19 vaccination. The participants consumed either BioGaia Protectis (Limosilactobacillus reuteri DSM 17938) + 10 microgram vitamin D3, or a placebo product that contained only vitamin D3 for 6