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BLIS K-12 (S. salivarius K12) for Oral Health: What Research Says

BLIS K-12 (S. salivarius K12) — what it is, what the evidence shows, and its role in the formula.

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  • FDA-registered facilityper the brand
  • GMP-certifiedUS manufacturing, per brand
  • 60-day guaranteemoney-back, per brand
  • Strain IDs disclosedBL-04, K-12, M-18 named

The short answer

BLIS K-12, briefly

The patented breath strain: a preliminary trial found K12 lozenges substantially cut volatile sulphur compounds vs placebo[1]. A later child trial also favored K12 for halitosis.

The most on-point human data in the formula for bad breath — but the flagship trial was small (23 subjects) and preliminary. Later work is more mixed.

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What BLIS K-12 is

The patented breath strain: a preliminary trial found K12 lozenges substantially cut volatile sulphur compounds vs placebo[1]. A later child trial also favored K12 for halitosis.

The evidence, honestly graded

Human data vs lab plausibility — stated plainly.

Human trials

Human

The most on-point human data in the formula for bad breath — but the flagship trial was small (23 subjects) and preliminary. Later work is more mixed.

Where it appears

Label fact

It's in ProDentim's formula — see the label table below for its listed role[2].

See a dentist for symptoms

Bleeding gums, loose teeth, mouth pain, or sores that don't heal are dental symptoms, not supplement deficiencies. Get professional care first — a probiotic is for maintenance, never treatment.

BLIS K-12 in ProDentim

How BLIS K-12 appears on the label[2].

ProDentim: BLIS K-12
IngredientAmountRole
BLIS K-12 (Streptococcus salivarius K12)part of 3.5B CFU blendpatented oral probiotic strain

Bottom line

Should BLIS K-12 influence your choice?

The most on-point human data in the formula for bad breath — but the flagship trial was small (23 subjects) and preliminary. Later work is more mixed.

Human trials exist — small, but real. They outrank everything else.

Talk to your dentist before changing your oral-care routine — especially with bleeding gums, loose teeth, or mouth pain. Supplements support; they don't replace brushing, flossing, or checkups.

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BLIS K-12: questions

What is BLIS K-12?

The patented breath strain: a preliminary trial found K12 lozenges substantially cut volatile sulphur compounds vs placebo[1]. A later child trial also favored K12 for halitosis.

Does BLIS K-12 work for oral health?

The most on-point human data in the formula for bad breath — but the flagship trial was small (23 subjects) and preliminary. Later work is more mixed.

Is it in ProDentim?

Yes — it's one of the formula's listed ingredients[2]. See the label table above.

Any safety concerns?

It's a food-grade ingredient with a long history of use. As always, supplements aren't for treating dental symptoms — see a dentist for those.

Sources

  1. Burton JP et al. A preliminary study of the effect of probiotic Streptococcus salivarius K12 on oral malodour parameters — J Appl Microbiol, 2006 — S. salivarius K12 lozenges reduced volatile sulphur compounds vs placebo in halitosis subjects (small preliminary trial)
  2. ProDentim product label and brand materials — ingredients and CFU, serving, dietary and facility statements, pricing and guarantee
  3. Krasse P et al. Decreased gum bleeding and reduced gingivitis by the probiotic Lactobacillus reuteri — Swed Dent J, 2006 — randomized, placebo-controlled trial; L. reuteri reduced gingivitis and plaque over 2 weeks (small trial)
  4. Probiotics: What You Need To Know — National Center for Complementary and Integrative Health — evidence status and safety notes for probiotics

ProDentimFrom $49/bottle

Our pickIngredient focus: BLIS K-12

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