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Evident owns Sleep Karma. Here's how we score every brand, including our own.

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. Hands-on multi-tester trials; lab checks when we commission them. 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

More Brands Tested

6 more probiotics brands we’ve evaluated

Shorter evaluations of additional brands we tested but didn’t include in the main review set.