5 articles
Intestinal permeability is real physiology, but 'leaky gut syndrome' as the cause of every illness is not established. Here is where the science ends and the supplement sales begin.
How prebiotics differ from probiotics, who supplements genuinely help, who is better off with food, and why a probiotic's effect depends on the strain.
Yogurt, kefir, sauerkraut and kimchi: how fermentation affects your microbiota and inflammation, which products to choose, and how they differ from probiotic capsules.
The gut microbiome is trillions of bacteria that feed on fiber and make compounds we need. Here is what genuinely shapes it — and what is just marketing.
Strain specificity, CFU labelling, the 2018 trials that reversed the pediatric gastroenteritis story, and when probiotics are genuinely dangerous.