Gut Health Resources
Research-backed supplements and products to support your microbiome health
Probiotics
Culturelle - Digestive Daily Probiotic Capsules
Daily digestive probiotic featuring the clinically studied LGG strain. Shelf-stable (per brand positioning).
Key Benefits:
- Digestive support
- Occasional gas/bloating support
- Immune support positioning
Align - 24/7 Digestive Support Probiotic Supplement
Single-strain daily probiotic developed and researched in GI contexts. No refrigeration required (per brand positioning).
Key Benefits:
- Digestive balance
- Occasional abdominal discomfort support
- Gas/bloating support positioning
Florastor - Dual Action Probiotic Supplement
A yeast-based probiotic with a long history of research and use. Shelf-stable (commonly positioned as no-refrigeration).
Key Benefits:
- Digestive balance support
- Microbiome resilience positioning
- Immune support positioning
Visbiome - GI Care High Potency Probiotic Capsules
High potency probiotic positioned for dietary management of dysbiosis-associated conditions. Refrigeration recommended; room temperature stable for limited time (see brand guidance).
Key Benefits:
- High-potency option
- Clinically positioned product
- Advanced gut support positioning
Seed - DS-01 Daily Synbiotic
Broad-spectrum synbiotic with transparent strain listing and delivery tech positioning. Shelf-stable (per brand positioning).
Key Benefits:
- Daily gut support
- Regularity and bloating positioning
- Whole-body wellness positioning
BioGaia - Gastrus Probiotic Chewables
Chewable, strain-identified L. reuteri blend with a research-forward brand reputation. Shelf-stable (check label).
Key Benefits:
- Digestive comfort positioning
- Regularity positioning
- Everyday gut support
Prebiotics
Thorne - FiberMend
Practitioner-grade soluble prebiotic fiber blend for daily regularity and gut support. Shelf-stable.
Key Benefits:
- Prebiotic fiber support
- Regularity support
- Gentle daily fiber option
Tomorrow's Nutrition - Sunfiber 30-Day
Clinically used prebiotic fiber (PHGG) in a clear, mixable daily powder. Shelf-stable.
Key Benefits:
- Prebiotic fiber support
- Regularity support
- Often chosen for gentler fermentation
Bimuno - Original Prebiotic Supplement
Targeted GOS prebiotic positioned to selectively feed beneficial gut bacteria. Shelf-stable.
Key Benefits:
- Bifidobacteria-support positioning
- Bloating support positioning
- Easy daily sachet format
Heather's Tummy Care - Tummy Fiber Organic Acacia Senegal Pouch
Single-ingredient acacia fiber powder with long-standing IBS community adoption. Shelf-stable.
Key Benefits:
- Slowly fermenting fiber positioning
- Bowel stability positioning
- Mixes easily
NOW Foods - Inulin Prebiotic Pure Powder, Organic
Simple, single-ingredient organic inulin prebiotic powder. Shelf-stable.
Key Benefits:
- Feeds beneficial gut bacteria positioning
- Easy to add to drinks/foods
- Budget-friendly prebiotic option
Life Extension - FLORASSIST Prebiotic Chewable
Chewable prebiotic designed to complement a probiotic routine. Shelf-stable.
Key Benefits:
- Convenient chewable format
- Supports beneficial gut flora positioning
- Easy daily use
Microbiome Testing
Function Health
Full Body Health Testing
Best for those wanting comprehensive health insights beyond just gut health, including 100+ biomarkers.
- 100+ lab biomarkers
- Physician-reviewed results
- Quarterly testing available
Tiny Health
Gut Microbiome Test (Adult)
Best for families and individuals who want comprehensive microbiome-focused reporting.
- Microbiome-focused reporting
- Family-friendly approach
- Comprehensive analysis
Viome
Gut Intelligence Test
Best for people who want testing plus personalized food recommendations.
- Personalized food recommendations
- Comprehensive gut analysis
- Actionable insights
Research-Based Product Selection
All products featured in our resources are selected based on scientific research and evidence. We evaluate products using the following criteria:
Clinical Evidence
Products containing strains or ingredients that have been studied in clinical trials with published results in peer-reviewed journals.
Strain Specificity
Products that clearly identify specific strains of microorganisms, as research shows different strains of the same species can have different effects.
Quality Manufacturing
Products from manufacturers that follow Good Manufacturing Practices (GMP) and conduct third-party testing for potency and purity.
Delivery Mechanism
Products with effective delivery systems to ensure probiotics survive stomach acid and reach the intestines where they can provide benefits.
Disclaimer: The information provided on this website is for educational purposes only and is not intended to be a substitute for medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read on this website.