Gut Registry

entity · release 2026-09-20

Bifidobacterium bifidum W23

Structured fields rendered from the release dataset. Unknown values retain a reason; price is outside GIS.

Across the corpus

How this organism is actually sold

Forms
Powder: 2 · counted across the 2 of 2 published products whose label states a form
Brands carrying it
invivo (2)
Published product pages
2

Products

Published products carrying this organism

ProductPrinted CFUPrinted doseCost per dayFormGut Index Score
Invivo Bio.Me Barriernot printednot printednot observedPowder72.78
Invivo Bio.Me Oralnot printednot printednot observedPowder48.33
Containing labels4
Evidence amount0.96
Direction balanceThe direction of the study results has not been extracted.

Matched PubMed records

9 records (retracted records excluded; 0 retracted records match the query separately). PubMed query

Matched records include trials of multi-ingredient products; this is not a count of trials of this entity alone.

  1. 2025 · 12-week preoperative probiotic supplementation versus placebo: effects on inflammation, endotoxemia, adipokines, and gastrointestinal peptides in patients six months after bariatric surgery - a double-blind, randomized, placebo-controlled clinical trial.
  2. 2024 · Preoperative Multistrain Probiotic Supplementation Does Not Affect Body Weight Changes or Cardiometabolic Risk Factors in Bariatrics: Randomized, Double-Blind, Placebo-Controlled Clinical Trial.
  3. 2022 · Multispecies Probiotic for the Prevention of Antibiotic-Associated Diarrhea in Children: A Randomized Clinical Trial.
  4. 2022 · Treatment With Multi-Species Probiotics Changes the Functions, Not the Composition of Gut Microbiota in Postmenopausal Women With Obesity: A Randomized, Double-Blind, Placebo-Controlled Study.
  5. 2017 · Effects of a multi-strain probiotic supplement for 12 weeks in circulating endotoxin levels and cardiometabolic profiles of medication naïve T2DM patients: a randomized clinical trial.
  6. 2016 · Probiotic Supplements Beneficially Affect Tryptophan-Kynurenine Metabolism and Reduce the Incidence of Upper Respiratory Tract Infections in Trained Athletes: A Randomized, Double-Blinded, Placebo-Controlled Trial.
  7. 2015 · Probiotic supplementation influences faecal short chain fatty acids in infants at high risk for eczema.
  8. 2015 · Long Term Development of Gut Microbiota Composition in Atopic Children: Impact of Probiotics.
  9. 2015 · A randomized controlled trial to test the effect of multispecies probiotics on cognitive reactivity to sad mood.

ClinicalTrials.gov

24 interventional studies. ClinicalTrials.gov query

This species has 37 tracked designations; this one appears on 4 labels (median 4).

Species and related strains

Bifidobacterium bifidum

Axis 1 · inverted

Containing label versions

Showing 4 of 4 rows, ordered by Gut Index Score descending, then DSLD label ID. Download full CSV · Download full JSON.

BrandProductDSLDGut Index ScoreStrain namedPer-organism quantityPotency basisVersions
InvivoBio.Me Barrier21749772.78truenot printed for this organismnot stated2
InvivoBio.Me Barrier21524866.66truenot printed for this organismnot stated2
InvivoBio.Me Oral21750048.33truenot printed for this organismnot stated1
InvivoBio.Me Barrier259869Not available in this release.trueundefined: light snapshotnot stated1

Axis 2

Studiedness

Evidence amount
0.96
Direction balance
The direction of the study results has not been extracted.
PMID records loaded
9
Records after title/year deduplication
9

Axis 3

Measurement integrity

Not a measurement product, so this axis does not apply.

Axis 4

Reddit mention panel

0 observed mentions; no aggregate panel matched this entity.

Elsewhere in this release

Related pages

Findings computed over the whole corpus: Strain naming census · Label designation changes · Strain dose match · Stability literature gaps

Tools: DSLD product check · Unit value calculator

Citation

Cite this page

Ivitskiy, I. (2026). Bifidobacterium bifidum W23. Gut Registry, release 2026-09-20. Elanvale Ltd. https://gutregistry.com/s/bifidobacterium-bifidum-w23/

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

  1. Bifidobacterium bifidum W23 appears on 4 of 13,330 labels in the NIH DSLD snapshot (Sep 2026), from 1 brands; tied with 43 designations by distinct label count.

    4 / 13330 observed label versions · NIH DSLD snapshot Sep 2026 · entity.prevalence · checked 2026-09-20T00:00:00Z · snapshot b7633f732437
  2. 0 of 4 containing labels in the NIH DSLD snapshot (Sep 2026) print a quantity for Bifidobacterium bifidum W23 (0.0%); 1 light records have quantities unavailable.

    0 / 4 containing labels · NIH DSLD snapshot Sep 2026 · entity.quantity · checked 2026-09-20T00:00:00Z · snapshot b7633f732437
  3. 9 PubMed records indexed as human randomized controlled trials match the published query (as of 2026-09-15). 9 records (retracted records excluded; 0 retracted records match the query separately).

    Published PubMed query

    9 / 9 loaded PMID records · NIH DSLD snapshot Sep 2026 · entity.evidence · checked 2026-09-20T00:00:00Z · snapshot b7633f732437
  4. 24 interventional studies on ClinicalTrials.gov match the published query.

    Published ClinicalTrials.gov query

    24 / Not available in this release. interventional registry studies · NIH DSLD snapshot Sep 2026 · entity.registered_trials · checked 2026-09-20T00:00:00Z · snapshot b7633f732437
  5. 0 of 3 SKUs containing Bifidobacterium bifidum W23 have a numeric price observation (0.0%) in the release accompanying the NIH DSLD snapshot Sep 2026.

    0 / 3 containing SKUs · NIH DSLD snapshot Sep 2026 · entity.price · checked 2026-09-20T00:00:00Z · snapshot b7633f732437

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