Support sinus, dental, and throat health with clinical grade oral probiotic lozenges

Sinus Shield (60 lozenges, 1-month supply) | Supplements for Oral Health

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1 Bottle
$29.99
Buy 3, Get 1 FREE
Was: $119.96
Now: $89.97
Buy 5, Get 2 FREE
Was: $209.93
Now: $149.95

Enjoy year-round nose, throat, and oral health with clinically studied BLIS K12 lozenges

Sinus Shield™, with therapeutic levels of the clinically studied probiotic BLIS K12, helps promote oral health and replenishes levels of beneficial bacteria for total nose, throat, sinus, and dental health. You'll enjoy the natural strawberry-vanilla flavored lozenges, as they…

  • Promote healthy bacterial balance in the oral and sinus regions
  • Provide immune system support
  • Support healthy teeth, gums, throat, and sinuses
  • Promote fresh breath

Why an oral probiotic is so important

Every day our mouths come into contact with billions of bacteria, and oral probiotics are essential to keeping your teeth, gums, and entire respiratory system healthy. Probiotics like BLIS K12 protect your body's "gateways" and support oral, nose, and throat health, freshen your breath, and support a healthy immune system.

How does BLIS K12 work?

BLIS K12 is a specific strain of Streptococcus salivarius, one of the dominant bacteria found in the oral cavity accounting for 15 to 40% of the total oral bacterial population, and the only probiotic developed to colonize in the oral cavity. Most probiotics work through competitive inhibition of undesirable bacteria, and S. salivarius does that as well. But BLIS K12 also produces two protective proteins—salivaricin A and salivaricin B, which help promote a healthy balance of bacteria, thus helping keep your mouth, sinuses, and throat healthy.

Impressive research results

The unique strain of healthy bacteria in Sinus Shield has been clinically studied with impressive results:

  • In one clinical study, BLIS K12 was shown to promote a healthy environment for the throat and pharynx in adults when taken on a daily basis.1
  • Additionally, in a study of subjects with bad breath, 85% of those taking BLIS K12 for two weeks had a significant reduction in the the foul smelling chemicals that cause bad breath, compared to 30% of those taking a placebo.2

I've always been a believer that the health of your mouth is a strong indicator of the health of your entire body, and that your mouth, nose, and throat are gateways to the rest of your body. That's why I feel Sinus Shield with clinically studied BLIS K12 is your best bet for sinus, nose, and oral health.


1 Di Pierro F, et al. Expert Opin Biol Ther. 2013;13(3):339–43.
2 Burton JP, et al. J Appl Microbiol. 2006; 100:754–64.

Ingredients and Dosage

Doctor's Suggested Use: Adults and children 4 and older: dissolve 1 lozenge in mouth once or twice daily and then swallow. For additional immune support take 1 lozenge four times daily.

Serving Size: 1 Lozenge
Servings Per Container: 60

Ingredient Amount Per Serving % DV
BLIS K12®‡ (Streptococcus salivarius) 35 mg *
* Daily Value (DV) not established

Other ingredients: Isomalt, fructose, microcrystalline cellulose, dextrose, stearic acid, dicalcium phosphate, natural strawberry flavor, citric acid, and natural vanilla flavors

CONTAINS: MILK (Product may contain trace amounts of milk from fermentation process.) Suitable for those on a lactose-free diet.

Note: Pregnant or lactating women should consult a health care professional before taking this product.
Keep out of reach of children.

® is a registered trademark of BLIS Technologies, Ltd.

Contains one billion live bacteria when manufactured and provides an effective level until at least the expiration date.

This product contains natural ingredients; color variations may occur.

Science and Quality

Studies with S. salivarius K12 Show Increased Oral Health and Increased Immune Markers

In a study of 150 volunteers, those taking S. salivarius K12 (BLIS K12) showed improvements in dental health.1

Another small study revealed that within 24 hours of taking S. salivarius K12, markers of immune function increased.2 S. salivarius was found to increase salivary levels of interferon gamma, which suggests an enhanced immune response.


1 Ability of BLIS producing S. salivarius. (Not published)
2 Chilcott et al. Elevated levels of interferon gamma in human saliva following ingestion of Streptococcus salivarius K12. Dunedin, NZ; 2005.

Product Quality

  • Manufactured to exacting standards using highest quality raw materials
  • Produced under our own SOPs that meet or exceed FDA GMPs
  • Every batch tested to verify purity and potency specifications are met
  • Quality assured with our Triple-Testing Philosophy™
  • Backed by our 100% satisfaction guarantee