Mother Earth Labs Probiotics - 30 Capsules

Six-dimension breakdown

Why this scored 62/100

Mother Earth Labs Probiotics delivers 20 billion CFUs across 9 clinically studied strains with acid-resistant delivery. The probiotic category is more complex than most marketing suggests: strain specificity matters enormously — clinical effects documented for one Lactobacillus rhamnosus strain do not necessarily apply to other L. rhamnosus products. For general 'gut microbiome support' in healthy adults, RCT evidence for lasting microbiome shifts is limited; probiotics typically transit the gut without permanent colonization. Genuine RCT-supported indications: antibiotic-associated diarrhea prevention (multiple specific strains), traveler's diarrhea prevention (Saccharomyces boulardii), IBS symptom management for specific strains, and infant colic (L. reuteri DSM 17938 specifically). The 20 billion CFU dose is in a reasonable therapeutic range. Without specific strain-and-dose disclosure to match clinical evidence, general 'gut health' claims outpace what specific strain-dose combinations have demonstrated. Standard-tier general probiotic; strain-specific single-purpose products often deliver more evidence-matched effects.

Evidence & sources

The Vyvata score's Evidence dimension measures the quality of published RCT support for a product's active ingredients at the label dose. Our source hierarchy: double-blind RCTs in MEDLINE-indexed journals > single-blind RCTs > open-label trials > observational studies > mechanism papers > N=1 case studies (anecdotes). Predatory journals and manufacturer-authored studies without independent replication are weighted down.

Product-specific evidence citations for this item are embedded in the analysis text on the "Analysis" tab. For the full framework and evidence hierarchy, see the methodology page.

How to read the Evidence dimension

• 80–100: Multiple double-blind RCTs in indexed journals directly testing this product OR the exact ingredients at the exact dose.
• 60–79: Single double-blind RCT + supporting ingredient literature at the studied dose.
• 40–59: Open-label trials + ingredient literature; no product-specific double-blind evidence.
• 20–39: Ingredient literature only; no product-specific trials or trials in predatory venues.
• 0–19: No credible evidence base or unverifiable claims.

FAQ data has not been generated for this product yet. See the site FAQ for general questions.

Customer reviews

All the data we have on this product

Every VSF-related metafield surfaced verbatim. Nothing hidden. If you spot data that looks wrong, let us know.

VSF score

62 / 100

Tier

Standard

Category

Supplements

Subcategory

gut digestive

Last scored

August 29, 2026

Third-party certifications

None on record at time of scoring

Vendor

Ultimate Sport Nutrition

Tags

Shopify Collective, Ultimate Sport Nutrition

Every score is set from the published rubric, audit-logged, and rescored whenever new evidence emerges (published trials, updated labels, third-party testing releases). Every vendor is scored on the same criteria — no pay-to-play. See our editorial-independence disclosure for the full policy, including brands with an editorial relationship to this site.