Digestive & Gut Health
Evidence-based guides to probiotics, prebiotics, and gut-health claims, examined strain by strain.
Psyllium Husk: The Fiber That Actually Has Evidence
Psyllium husk is the unglamorous workhorse of gut health — a soluble fiber from the seeds…
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Best Probiotics for IBS: Which Strains Actually Have Evidence
If you’re shopping for a probiotic to help with IBS, the single most important thing to…
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What Are Probiotics? Strains, Evidence for IBS, and Safety
Probiotics are live microorganisms — most commonly bacteria from the Lactobacillus and Bifidobacterium genera, along with…
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Prebiotics vs Probiotics: What’s the Difference?
Prebiotics and probiotics get lumped together constantly, but they’re not the same thing — and understanding…
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Do Probiotics Help IBS Symptoms? What the Evidence Shows
Probiotics are one of the most commonly tried supplements for irritable bowel syndrome (IBS), and the…
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Align Probiotic Review
This is a research-based review, not a hands-on test — see our editorial policy for how…
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