Gut Registry

entity · release 2026-09-20

Streptococcus salivarius M18

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

Printed CFU per serving
300,000,000 – 2,000,000,000; median 1,150,000,000. Measured on the 2 of 4 published products carrying it whose latest published label prints a figure for it; the rest print a blend total or no quantity, and earlier label versions in the table below may print other figures. 0 row(s) print a CFU below 1 000 and are excluded as a label or parsing artefact.
Forms
Capsule: 1 · Lozenge: 2 · Tablet or Pill: 1 · counted across the 4 of 4 published products whose label states a form
Brands carrying it
biocidin-botanicals (1) · quantum-nutrition-labs (1) · solaray (1) · williams-nutrition (1)
Published product pages
4

Products

Published products carrying this organism

ProductPrinted CFUPrinted doseCost per dayFormGut Index Score
Quantum Nutrition Labs Quantum Tooth and Gum Support300,000,000not printednot observedCapsule81.37
Biocidin Botanicals Dentalfloranot printednot printednot observedTablet or Pill77.50
Solaray Mycrobiome Probiotic Mouth & Throat2,000,000,000not printednot observedLozenge73.00
Williams Nutrition Probiotic Advantage Oral Sinusnot printednot printednot observedLozenge73.00

Reformulations

Label changes involving this organism

1 change(s) to this organism's own row, observed on 1 product(s). A change is counted only between two snapshots whose ingredient rows were both parsed; a first observation is not a change.

Containing labels15
Evidence amount0.75
Direction balanceThe direction of the study results has not been extracted.

Matched PubMed records

5 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. 2023 · Antigingivitis and Antiplaque Effects of Oral Probiotic Containing the Streptococcus salivarius M18 Strain: A Randomized Clinical Trial.
  2. 2020 · Randomised, double-blind, placebo-controlled trial of oral probiotic Streptococcus salivarius M18 on head and neck cancer patients post-radiotherapy: a pilot study.
  3. 2020 · Does Streptococcus Salivarius Strain M18 Assumption Make Black Stains Disappear in Children?
  4. 2019 · Oral probiotics reduce halitosis in patients wearing orthodontic braces: a randomized, triple-blind, placebo-controlled trial.
  5. 2013 · Influence of the probiotic Streptococcus salivarius strain M18 on indices of dental health in children: a randomized double-blind, placebo-controlled trial.

ClinicalTrials.gov

11 interventional studies. ClinicalTrials.gov query

This species has 6 tracked designations; this one appears on 15 labels (median 4.5).

Other printed names

Species and related strains

Streptococcus salivarius

Axis 1 · inverted

Containing label versions

Showing 15 of 15 rows, ordered by Gut Index Score descending, then DSLD label ID. Download full CSV · Download full JSON.

BrandProductDSLDGut Index ScoreStrain namedPer-organism quantityPotency basisVersions
NatureCityTrueOC Quick Melt Orange Flavor32094595.28true1,000,000,000 CFUthrough expiry1
Quantum Nutrition LabsQuantum Tooth and Gum Support30243481.37true300,000,000 CFUthrough expiry1
Biocidin BotanicalsDentalflora31406077.50truenot printed for this organismat manufacture1
Williams NutritionProbiotic Advantage Oral Sinus31535373.00truenot printed for this organismthrough expiry1
SolarayMycrobiome Probiotic Lozenges Mouth & Throat Natural Berry Flavor32607873.00true2,000,000,000 CFUnot stated2
SolarayMycrobiome Probiotic Mouth & Throat25542466.25truenot printed for this organismat manufacture2
Life ExtensionFLORASSIST Oral Hygiene65064Not available in this release.trueundefined: light snapshotnot stated1
SimplyBiotixOral & Sinus Cinnamon Stick Flavor201971Not available in this release.trueundefined: light snapshotnot stated1
Life Extension FlorassistOral Hygiene232325Not available in this release.trueundefined: light snapshotnot stated1
Premier Research LabsDentaVen268937Not available in this release.trueundefined: light snapshotnot stated1
NaturesPlusAdult's Dental Care Probiotic Lozenges Natural Peppermint Flavor298219Not available in this release.trueundefined: light snapshotnot stated1
HyperbioticsPRO-Kids ENT Strawberry Vanilla306766Not available in this release.trueundefined: light snapshotnot stated1
NaturesPlus Animal ParadeChildren's Chewable Tooth Fairy Natural Vanilla Flavor319157Not available in this release.trueundefined: light snapshotnot stated1
NatureWiseOral Health Probiotics WiseBiotics Mint327773Not available in this release.trueundefined: light snapshotnot stated1
HyperbioticsPRO-Dental Natural Mint Flavor328433Not available in this release.trueundefined: light snapshotnot stated1

Axis 2

Studiedness

Evidence amount
0.75
Direction balance
The direction of the study results has not been extracted.
PMID records loaded
5
Records after title/year deduplication
5

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). Streptococcus salivarius M18. Gut Registry, release 2026-09-20. Elanvale Ltd. https://gutregistry.com/s/streptococcus-salivarius-m18/

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. Streptococcus salivarius M18 appears on 15 of 13,330 labels in the NIH DSLD snapshot (Sep 2026), from 13 brands; tied with 6 designations by distinct label count.

    15 / 13330 observed label versions · NIH DSLD snapshot Sep 2026 · entity.prevalence · checked 2026-09-20T00:00:00Z · snapshot b7633f732437
  2. 4 of 15 containing labels in the NIH DSLD snapshot (Sep 2026) print a quantity for Streptococcus salivarius M18 (26.7%); 9 light records have quantities unavailable.

    4 / 15 containing labels · NIH DSLD snapshot Sep 2026 · entity.quantity · checked 2026-09-20T00:00:00Z · snapshot b7633f732437
  3. 5 PubMed records indexed as human randomized controlled trials match the published query (as of 2026-09-15). 5 records (retracted records excluded; 0 retracted records match the query separately).

    Published PubMed query

    5 / 5 loaded PMID records · NIH DSLD snapshot Sep 2026 · entity.evidence · checked 2026-09-20T00:00:00Z · snapshot b7633f732437
  4. 11 interventional studies on ClinicalTrials.gov match the published query.

    Published ClinicalTrials.gov query

    11 / 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 14 SKUs containing Streptococcus salivarius M18 have a numeric price observation (0.0%) in the release accompanying the NIH DSLD snapshot Sep 2026.

    0 / 14 containing SKUs · NIH DSLD snapshot Sep 2026 · entity.price · checked 2026-09-20T00:00:00Z · snapshot b7633f732437

Back to the release hub