Axes 1–2 · Brand Index
Conditional score and coverage
Opacity share 9.1%. Brand results are not ordered when coverage bounds overlap. A brand-level sensitivity interval is undefined because the release preserves formulation-level intervals.
brand · release 2026-09-20
21st Century
Structured fields rendered from the release dataset. Unknown values retain a reason; price is outside GIS.
Formulations11
Conditional mean GIS62.81
Coverage36.4%
Axes 3–4
Measurement status and document panel
Not a measurement product, so this axis does not apply.
No brand review panel is published in this release.
Price column
Brand price aggregation
undefined: prices are retained at label-version level and are not averaged across formulations.
Brand profile
What this brand's labels look like as a set
- Potency basis
- Potency is stated at manufacture. 14 · counted across 14 organism rows on its labels, not across products
- Forms
- Capsule: 2 · Tablet or Pill: 1 · counted across the 3 of 3 products whose label states a form
- Observed prices
- 0 of 3 published products
- Printed claims per label
- 2.7 on average across the 3 of 3 products whose label carries a parsed claim block. A printed claim is not evidence and enters no axis.
Products
Published product pages of this brand
| Product | Gut Index Score |
|---|---|
| 21st Century Acidophilus Probiotic Blend | 66.25 |
| 21st Century Advanced Probiotic | 66.25 |
| 21st Century Cranberry plus Probiotic | 52.50 |
Organisms
What this brand actually puts on its labels
Across its published products, 9 distinct organisms or ingredients are printed. The most frequent, with the number of published products carrying each:
| Organism or ingredient | Published products of this brand |
|---|---|
| Lactobacillus acidophilus | 2 |
| Bifidobacterium bifidum | 2 |
| Ligilactobacillus salivarius | 2 |
| Streptococcus thermophilus | 2 |
| Bifidobacterium animalis | 1 |
| Bifidobacterium longum | 1 |
| Lacticaseibacillus casei | 1 |
| Lacticaseibacillus rhamnosus | 1 |
| Lactobacillus delbrueckii | 1 |
Elsewhere in this release
Related pages
Findings computed over the whole corpus: Potency basis census · Supplier code network · Label designation changes
Tools: DSLD product check
Citation
Cite this page
Ivitskiy, I. (2026). 21st Century. Gut Registry, release 2026-09-20. Elanvale Ltd. https://gutregistry.com/b/21st-century/
The underlying tables are published under CC BY 4.0: this page as CSV · as JSON · full release and data dictionary. Cell-level provenance names the source record and its observation date.
Citable atoms
Release claims
21st Century has 9 eligible SKUs and 11 formulation groups among labels in the NIH DSLD snapshot (Sep 2026).
9 / 11 formulation groups · NIH DSLD snapshot Sep 2026 · brand.skus · checked 2026-09-20T00:00:00Z · snapshot b7633f7324370 of 11 21st Century formulation groups have at least one printed strain designation (0.0%) in the NIH DSLD snapshot Sep 2026.
0 / 11 formulation groups · NIH DSLD snapshot Sep 2026 · brand.naming · checked 2026-09-20T00:00:00Z · snapshot b7633f7324371 of 11 21st Century formulation groups were scored using the available matching evidence (9.1%) in the NIH DSLD snapshot Sep 2026.
1 / 11 formulation groups · NIH DSLD snapshot Sep 2026 · brand.opacity · checked 2026-09-20T00:00:00Z · snapshot b7633f73243721st Century: conditional Brand Index 62.81 from 4 of 11 formulation groups with numeric Gut Index Scores (36.4%); unscored groups remain outside the mean. Window: NIH DSLD snapshot Sep 2026.
4 / 11 formulation groups · NIH DSLD snapshot Sep 2026 · brand.index · checked 2026-09-20T00:00:00Z · snapshot b7633f732437