Probiotic supplements claim to boost gut health, but may do opposite – The Washington Post March 28, 2023 https://www.washingtonpost.com/wellness/2023/03/28/probiotics-supplements-gut-health-microbiome/
12 Foods to Improve Your Gut Health Overnight | EatingWell February 16, 2023 https://www.eatingwell.com/article/8026789/best-nutrient-for-brain-health-as-you-age/