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Probiotics

Probiotic supplements ranked on strain specificity, finished-product clinical trials, and delivery system honesty. Seed, Pendulum, Culturelle, Florastor, Ritual, Garden of Life compared — with the AGA's skeptical position on the category as the editorial frame.

We buy every product ourselves. Lab-tested and blind-studied. Our methodology

Guides & Research

Featured Guide

🔬 Research

Do Probiotics Actually Work? What the AGA Says About a $9 Billion Category

The American Gastroenterological Association reviewed 287 clinical trials and recommended probiotics for exactly three conditions. Everything else on the label is marketing. Here's what the evidence supports, why strain ID matters more than CFU count, and how to evaluate a probiotic if you decide you want one.

Apr 11, 2026