Supplement Reviews
Every product we cover, researched and rated independently. We only feature products we would stand behind — and we'll tell you when to skip a popular one.
Nordic Naturals Ultimate Omega
Nordic Naturals
The most-reviewed triglyceride-form fish oil on Amazon (4.7★, 24k+ ratings) — the benchmark anti-inflammatory omega-3 across all five conditions.
Visbiome High Potency Probiotic
Visbiome
The original De Simone formulation with 100+ human clinical trials — the single most evidence-backed probiotic for ulcerative colitis remission maintenance.
Seed DS-01 Daily Synbiotic
Seed
24-strain clinically studied synbiotic with a dedicated gut-skin dermatological blend — the best broad-spectrum daily probiotic for general maintenance.
Thorne L-Glutamine Powder
Thorne
NSF Certified for Sport — pure glutamine to fuel and repair the gut lining, from the most trusted practitioner brand with four rounds of third-party testing.
Doctor's Best PepZin GI (Zinc-L-Carnosine)
Doctor's Best
Uses the clinically studied PepZin GI raw material developed in Japan — the benchmark zinc-carnosine complex for stomach and gut lining repair.
Florastor Daily Probiotic (S. boulardii)
Florastor
The most-studied S. boulardii strain (CNCM I-745) — a beneficial yeast that works even alongside antibiotics, with strong RCT evidence for diarrhea.
Pure Encapsulations Digestive Enzymes Ultra
Pure Encapsulations
Broad-spectrum plant-based enzyme blend from a hypoallergenic practitioner brand — reliably reduces post-meal bloating when gut inflammation impairs digestion.
Pure Encapsulations DGL Plus
Pure Encapsulations
Combines DGL, marshmallow root, slippery elm, and aloe vera in one capsule — the most complete demulcent formula for gut lining and reflux. 4.4★ from 1,300+ reviews.
BodyBio Butyrate (Sodium + Potassium)
BodyBio
A direct source of butyrate — the colon's primary fuel — when a damaged microbiome isn't making enough. No fillers, strong community following.
Pendulum Akkermansia Probiotic
Pendulum
The only widely available consumer source of A. muciniphila — a keystone gut-lining bacterium. Rated 4.7★ from 430+ reviews. Emerging but promising.
Vital Proteins Collagen Peptides
Vital Proteins
The most widely used, reliably sourced grass-fed collagen on Amazon — provides building blocks for skin structure and gut lining repair in one unflavored scoop.