Headline finding · criterion 1 of 6
Only 7 of 18 best-selling gut supplements disclose an exact amount for every active ingredient
Only 7 of the 18 best-selling gut-health supplements audited by Supplement Facts Check disclose an exact amount for every active ingredient. The other 11 do not: the panel hides at least one active ingredient inside a proprietary blend.
Criterion 1: Exact amount for every active ingredient
No proprietary blend appears anywhere on the Supplement Facts panel. It scores 1 or 0, with no weighting and no partial credit, under methodology v1.14, locked 2026-10-26. Read the full methodology →
All 18 scored products
Every row that went into the figure above, with the reasoning recorded for this criterion and the date the label was read. Each product links to its full scorecard and the dated label captures the score was read from.
| Product | Criterion 1 | Total | Reasoning recorded for this criterion | Label captured |
|---|---|---|---|---|
| Align Probiotic Bloating Relief + Food Digestion Align | 0 ✗ | 2/6 | DIGEZYME Multi-enzyme Complex 23 mg is a blend total covering five enzymes (alpha-amylase, neutral protease, lactase, cellulase, lipase) with no per-enzyme amounts. Vitamin B12 2.4 mcg and the probiotic 10 mg do carry exact amounts, but a proprietary blend anywhere on the panel fails the criterion. | 2026-09-27 |
| Lemme Debloat Digestive & Gut Health Gummies Lemme | 0 ✗ | 2/6 | 'Digestive Probiotic Blend 44 mg' gives a blend total for two organisms with no per-organism amount, and notably no CFU count anywhere on the panel at all, which is unusual even among the blends in this sample. Xylooligosaccharides 80 mg does carry an exact amount. | 2026-09-27 |
| NOW Supplements Probiotic-10 NOW Foods | 0 ✗ | 2/6 | 'Blend of 10 Strains of Probiotic Bacteria (25 Billion CFU)' is declared as a single 160 mg line with no per-strain amount or per-strain CFU split. A proprietary blend by the criterion's test, notwithstanding that every organism is named. | 2026-09-27 |
| NewRhythm Probiotics 50 Billion CFU NewRhythm | 0 ✗ | 2/6 | Two blends. Probiotic Blend gives only an aggregate 50 Billion CFU across 20 organisms, and Premium Prebiotic Fiber Blend gives only a 150 mg total with no ingredients named at all. | 2026-09-27 |
| Phillips' Colon Health Daily Probiotic Phillips' | 0 ✗ | 2/6 | The panel line reads 'Proprietary Blend: 3 Billion CFUs' in those exact words, covering two organisms with no split between them. The most explicit proprietary blend in the sample; most others use a branded blend name instead. | 2026-09-27 |
| Physician's CHOICE Probiotics 60 Billion CFU Physician's Choice | 0 ✗ | 2/6 | Probiotic Blend 220 mg and Prebiotic Blend 150 mg give blend totals only, no per-ingredient amounts. | 2026-09-07 |
| Seed DS-01 Daily Synbiotic Seed | 0 ✗ | 2/6 | Four probiotic blends disclose blend totals (224/36/36/13 mg) but no per-strain amounts. | 2026-09-07 |
| BIOMA Probiotics BIOMA | 0 ✗ | 1/6 | 'Proprietary Probiotic Blend' 29 mg stated as a total only, three organisms undifferentiated. | 2026-09-07 |
| Doctor's Recipes Women's Probiotic Doctor's Recipes | 0 ✗ | 1/6 | Two proprietary blends. Probiotic Blend gives only an aggregate 50 Billion CFUs across 16 organisms, and Prebiotic Fiber Blend gives only a 250 mg total with no composition listed at all, not even ingredient names. Organic Cranberry Extract 50 mg is the single line carrying an exact amount. | 2026-09-27 |
| Garden of Life Dr Formulated Probiotics for Men Garden of Life | 0 ✗ | 1/6 | Two proprietary blends. Men's Daily Probiotic Blend 218 mg lists 15 organisms with no per-organism amounts, and Organic Prebiotic Fiber Blend 365 mg lists Organic Potato [Resistant Starch] and Organic Acacia Fiber with no per-fiber amounts. Only blend totals and aggregate CFU counts are disclosed (Total Lacto 35 Billion, Total Bifido 15 Billion, Total Probiotic Cultures 50 Billion). | 2026-09-27 |
| Garden of Life Dr. Formulated Kids+ Probiotics Garden of Life | 0 ✗ | 1/6 | Two blends. Kids Probiotic Blend 71 mg covers 14 organisms with no per-organism amount, and Organic Prebiotic Fiber Blend 310 mg covers acacia fiber, whole cranberry and emblic (amla) extract with no per-ingredient amount. Vitamin C 30 mg and Vitamin D 10 mcg do carry exact amounts. | 2026-09-27 |
| Florastor Probiotic Florastor | 1 ✓ | 5/6 | The single active carries an exact amount, Saccharomyces boulardii CNCM I-745 500 mg. No proprietary blend on the panel. | 2026-09-26 |
| Align Probiotic Pro Formula Align | 1 ✓ | 4/6 | The single active carries an exact amount, Bifidobacterium longum subsp. longum 35624 10 mg. No proprietary blend. | 2026-09-27 |
| Digestive Advantage Probiotic Gummies Digestive Advantage | 1 ✓ | 4/6 | Both actives carry exact amounts, Vitamin D (as cholecalciferol) 8 mcg and BC30 Bacillus coagulans GBI-30, 6086 at 4.67 mg (1 Billion CFUs). No proprietary blend on the panel. | 2026-09-27 |
| MaryRuth Organics Kids Probiotics MaryRuth Organics | 1 ✓ | 4/6 | The single active carries an exact amount, Bacillus subtilis (DE111) 8.33 mg (2.5 Billion CFU). No proprietary blend on the panel. | 2026-09-27 |
| Culturelle Daily Chewable Probiotics for Kids Culturelle | 1 ✓ | 3/6 | The single active carries an exact amount, Lactobacillus rhamnosus GG 26 mg (5 billion CFUs). No proprietary blend anywhere on the panel. | 2026-09-27 |
| Culturelle Pro Strength Probiotics Culturelle | 1 ✓ | 3/6 | Both actives carry exact amounts, Lactobacillus rhamnosus GG 46 mg (12 billion CFUs) and Inulin (Chicory Root Extract) 200 mg. No proprietary blend on the panel. First product in the set to take this point. | 2026-09-26 |
| Nature's Bounty Probiotic Acidophilus Nature's Bounty | 1 ✓ | 3/6 | The single active carries an exact amount, Lactobacillus acidophilus La-14 0.5 mg (100 million CFU). No proprietary blend. | 2026-09-26 |
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Citing this finding
The sentence above is generated from the dataset at build time, so it cannot drift from the rows listed on this page. Quote it as:
Only 7 of the 18 best-selling gut-health supplements audited by Supplement Facts Check disclose an exact amount for every active ingredient. Supplement Facts Check, methodology v1.14, labels captured 2026-09-07 to 2026-09-27. https://supplementfactscheck.org/findings/exact-doses-disclosed.html
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