All Gut Health Products We Review
Every product we cover, grouped by what it's for and rated by the strength of its clinical evidence, not by commission. Each card links to the review or guide where we evaluate it in depth.
Probiotics & Synbiotics
Rated on strain-specific clinical evidence. A probiotic's results only apply to the exact strain that was studied.

Culturelle Digestive Health
Culturelle
$17.47
on Amazon, as of Oct 30

Align Probiotic
Align
$43.99
on Amazon, as of Oct 30

Florastor
Florastor
$67.99
on Amazon, as of Oct 30

Seed DS-01 Daily Synbiotic
Seed Health
$59.99
on Amazon, as of Oct 30

Ritual Synbiotic+
Ritual
$59.99
on Amazon, as of Oct 30

Physician's Choice 60 Billion
Physician's Choice
$31.19
on Amazon, as of Oct 30

Dr. Emil Total Gut Complex
Dr. Emil Nutrition
$27.19
on Amazon, as of Oct 30

Garden of Life Dr. Formulated Probiotics
Garden of Life
~$30/mo

Pendulum Metabolic Daily
Pendulum
$59.99
on Amazon, as of Oct 30

Pendulum Akkermansia
Pendulum
$64.00
on Amazon, as of Oct 30

Pendulum GLP-1 Probiotic
Pendulum
$59.99
on Amazon, as of Oct 30
Digestive Enzymes
Single enzymes for a known trigger, like lactose or beans, have the strongest evidence; broad blends have much less.

Lactaid Fast Act
Lactaid
$20.54
on Amazon, as of Oct 30

Beano Extra Strength
Beano
$11.98
on Amazon, as of Oct 30

Digestive Enzymes Ultra
Pure Encapsulations
$38.00
on Amazon, as of Oct 30

Doctor's Best Digestive Enzymes
Doctor's Best
$26.99
on Amazon, as of Oct 30

Super Enzymes
NOW Foods
$20.22
on Amazon, as of Oct 30
Bloating & Gas Relief
Remedies for bloating, gas and indigestion, from peppermint oil to simethicone.

IBgard Peppermint Oil
IBgard
$29.97
on Amazon, as of Oct 30

Iberogast (STW 5)
Iberogast
$18.97
on Amazon, as of Oct 30

Gas-X Maximum Strength
Gas-X
$16.59
on Amazon, as of Oct 30

Ginger Root Capsules
Nature's Way
$16.65
on Amazon, as of Oct 30

L-Glutamine Powder
NOW Foods
$23.10
on Amazon, as of Oct 30
Fiber & Constipation
Fiber supplements and over-the-counter laxatives for occasional and chronic constipation.

MiraLAX (PEG 3350)
MiraLAX
$31.47
on Amazon, as of Oct 30

Metamucil Psyllium Fiber
Metamucil
$34.97
on Amazon, as of Oct 30

Thorne FiberMend
Thorne
$45.00
on Amazon, as of Oct 30

Senokot (Senna)
Senokot
$15.74
on Amazon, as of Oct 30

Dulcolax (Bisacodyl)
Dulcolax
$17.98
on Amazon, as of Oct 30

Benefiber (Wheat Dextrin)
Benefiber
$22.98
on Amazon, as of Oct 30
Acid Reflux & Heartburn
Over-the-counter acid reducers for heartburn, plus one supplement with weaker evidence.

Prilosec OTC (Omeprazole)
Prilosec
$18.26
on Amazon, as of Oct 30

Pepcid AC Maximum Strength
Pepcid
$10.98
on Amazon, as of Oct 30

Nexium 24HR (Esomeprazole)
Nexium
$25.28
on Amazon, as of Oct 30

DGL Licorice Chewables
Natural Factors
$13.27
on Amazon, as of Oct 30
IBS Diet Books
Practical guides to the low-FODMAP diet, the most-studied diet for IBS.
At-Home Gut Tests
Consumer stool microbiome tests. They use different lab methods, and none of them diagnose disease.

Viome Gut Intelligence
Viome
RNA stool sequencing
$209.00
on Amazon, as of Oct 30

Tiny Health Adult Gut Health Test
Tiny Health
Compared in our guide, not rated
Shotgun DNA sequencing, specialist call included
$249.00
on Amazon, as of Oct 30

Biomesight Gut Microbiome Test
Biomesight
Compared in our guide, not rated
16S sequencing
$149.00
on Amazon, as of Oct 30
Colon Cancer Screening Kits
FDA-cleared at-home FIT kits, for average-risk adults aged 45 to 75 without symptoms.

Colonox FIT (2 tests)
Diagnox Health
Compared in our guide, not rated
FDA-cleared, CLIA-waived; result in 10 minutes
$19.97
on Amazon, as of Oct 30

Reese's ColoTest
Reese Pharmaceutical
Compared in our guide, not rated
FDA-cleared OTC; result in about 2 minutes
$16.50
on Amazon, as of Oct 30
Amazon prices retrieved from the Amazon Product Advertising API on . Prices and availability are accurate as of that time and may change.

