Streptococcus salivarius M18
2B CFU
Secretes dextranase — the enzyme that dissolves the biofilm shield. Without M18, nothing else in this formula can reach the bacteria underneath.
01/03
Dissolves on the tongue. Not swallowed.
A New Category of Oral Probiotic
The first oral probiotic built around the strain that dissolves the dextran shield.
Seven clinically researched oral-native strains. 11 billion CFU per lozenge. Targets the source of chronic halitosis at the back of the tongue — where mouthwash, scrapers, and mints physically cannot reach.
- ✓Built around S. salivarius M18 — not generic gut strains
- ✓11B CFU per lozenge, lozenge format (mucosal contact, not stomach acid)
- ✓Clinically researched: VSCs measurably drop within 7 days
- ✓90-day money-back guarantee — empty bottles accepted
★★★★★
4.8 / 5·
2,400+ verified reviewers
For the ones who've tried everything
You've tried everything. We know.
Mouthwash twice a day. Tongue scraper every morning. Mints in every pocket. Three different dentist visits where they told you to floss more. The Korean tongue gel from Amazon. The charcoal toothpaste. The water pick.
For some of you, antibiotics. ENT visits. A tonsillectomy.
You're not lazy. You're not "not brushing enough." You're not imagining it.
You're doing exactly what your dentist told you to do, and the smell is coming back anyway. Sometimes by lunch.
This page exists because there is a version of this where you simply step off the wheel. Not because you found a better mint — because the bacteria producing the smell aren't being sheltered anymore.
The Mechanism, In Two Sentences
Why scraping, rinsing, and mints have never worked.
The bacteria producing chronic bad breath live underneath a sticky biofilm called dextran — a water-insoluble shield that mouthwash, scrapers, and toothbrushes physically cannot dissolve.
Oravero is built around one specific oral bacterial strain — Streptococcus salivarius M18 — that secretes an enzyme called dextranase, which dissolves the shield from the inside and exposes the odor-producing bacteria to oxygen and saliva for the first time.
Ready to start? Pick your reset
90-day money-back guarantee
The Formulation
Seven strains. One purpose.
11 billion CFU per lozenge · Oral-native, not gut · Designed to dissolve on the tongue
Inside the bottle
60 lozenges. 11 billion CFU each. Designed to dissolve, not be swallowed.
Six of these seven strains live natively in the saliva of people with naturally fresh breath. The seventh — S. salivarius M18 — is the one that dissolves the biofilm shield. Every lozenge delivers all seven, in clinically researched ratios.
- Vegan · gluten-free · sugar-free · no artificial sweeteners
- Third-party tested for strain viability through expiry
Streptococcus salivarius
2B CFU · The Colonizer
Naturally colonizes the back third of the tongue and the throat — the exact region where odor-producing bacteria establish themselves. Works alongside M18 to occupy the territory the bad bacteria would otherwise reclaim.
Lactobacillus reuteri
2B CFU · Gums
Reduces gum bleeding and inflammation. Clinically associated with lower human-perceived breath scores.
Lactobacillus paracasei
1.5B CFU · Sulfide
Suppresses hydrogen sulfide — the rotten-egg molecule — at its bacterial source.
Bifidobacterium lactis
1.5B CFU · Subgingival
Reaches subgingival pockets along the gum line that your toothbrush can't.
Lactobacillus brevis
1B CFU · Saliva
Buffers acidity and stimulates saliva production. Especially relevant for dry-mouth sufferers.
Streptococcus A12
1B CFU · Anti-rebuild
Jams the chemical signaling the sugar-eating bacteria use to rebuild the biofilm. Helps prevent re-colonization.
The Protocol
Once a day. Before bed. That's it.
Thirty seconds to read. The bacteria do the work overnight.
01
Brush & floss
Brush and floss like you normally would. Don't change your routine.
02
Place on tongue
At bedtime, place one lozenge on your tongue.
03
Let it dissolve
Don't chew. Don't swallow whole. The longer it stays in contact with your tongue, the more strains colonize.
04
Hold the line
Don't rinse, eat, or drink for 30 minutes after.
One important caveat: skip alcohol-based mouthwashes for the duration of the 90 days. They undo what Oravero is building. Use water or a saline rinse if you need to.
Verified Customer Reviews
What 90 days actually sounds like.
"
I'm 47. I'd had chronic bad breath for over fifteen years. I tried Therabreath, TriOral, three rounds of antibiotics, even a tonsillectomy in 2019. Nothing held. By week three of Oravero I did the lick test on the back of my wrist and there was nothing. No taste, no smell. I sat on my bathroom floor and cried. I'm not exaggerating.
Lisa M. · ✓ Verified
"
The first thing I noticed wasn't the smell. It was the white coating on my tongue getting thinner. Then around day 20 I realized I hadn't checked my breath in the rearview mirror once that morning. Twenty years of that ritual, and I just stopped without noticing.
David K. · ✓ Verified
"
My husband actually leaned in to whisper something at dinner last week. He hasn't done that in years. I didn't know how to react. I just sat there for a second.
Patricia R. · ✓ Verified
"
I want to be honest — week one I didn't notice much. Week two, the morning taste was gone. Week six, my dentist asked what I'd changed in my routine. I told him about M18. He looked it up.
James L. · ✓ Verified
The Honest Comparison
Why nothing else has worked.
 |
 |
 |
 | |
|---|---|---|---|---|
| Targets bacteria producing the smell |
Mouthwash
|
Mints / Gum
|
Generic Oral Probiotics
|
Oravero
|
| Dissolves the dextran shield |
Mouthwash
|
Mints / Gum
|
Generic Oral Probiotics
|
Oravero
|
| Reaches the back of the tongue |
Mouthwash
|
Mints / Gum
|
Generic Oral Probiotics
|
Oravero
|
| Damages oral microbiome |
Mouthwash
|
Mints / Gum
|
Generic Oral Probiotics
|
Oravero
|
| Time to measurable shift |
Mouthwash
|
Mints / Gum
|
Generic Oral Probiotics
|
Oravero
|
The 90-Day Guarantee
Take Oravero for 90 days. Or send the bottles back.
Empty bottles are fine. No forms. No "tell us why."
If your breath hasn't measurably shifted — if your morning taste hasn't softened, if the white coating on your tongue hasn't thinned, if you're not catching yourself forgetting to check the mirror before meetings — send the bottles back. Full refund.
The 90 days isn't a marketing promise. It's the minimum window the colonization research says is required for the strains to establish stably. Anything shorter than 90 days and we'd be selling you hope, not a result.
Start risk-free
90-day money-back guarantee · Free US shipping
FAQ
Questions people actually ask.
How is this different from the oral probiotics on Amazon?
Most of them use gut strains — Lactobacillus acidophilus, Bifidobacterium bifidum, L. plantarum — that dissolve in stomach acid and never reach your mouth in any meaningful concentration.
Oravero is built around Streptococcus salivarius M18 and six other oral-native strains, delivered in a lozenge that dissolves directly on the tongue. The strains are the right ones, in the right place, in the right delivery format.
Will I get GI bloating?
Some users report mild bloating in week one as the oral strains adjust. It typically fades by day 7–10. If it persists past two weeks, contact support — we'll either swap your bottle or refund you, your choice.
Can I keep my current dental routine?
Yes. Keep brushing, keep flossing, keep seeing your dentist. The only thing to skip during the 90 days is alcohol-based mouthwash — it kills the strains Oravero is depositing. Use water or a saline rinse instead.
I also have tonsil stones. Will this help?
The Streptococcus salivarius strains in Oravero naturally colonize the back of the tongue and the tonsillar region — the same area where tonsil stones form. As the dextran biofilm dissolves and the bacterial environment shifts, many of our customers report the two issues resolving together. We can't promise it solves tonsil stones specifically, but the overlap is common enough that it's worth flagging.
Do I have to take this forever?
Most users do the 90-day reset, then drop to one lozenge every 2–3 days as a maintenance dose. Some stop entirely after the reset and stay clear for months. Depends on diet, stress, and your underlying saliva chemistry.
How do I take it?
Place one lozenge on your tongue at bedtime — after you've brushed and flossed. Let it dissolve slowly. Don't chew. Don't swallow whole. Don't rinse, eat, or drink for 30 minutes after.
Is there a subscription?
Only if you choose one. The default is a one-time purchase. Subscribe-and-save (15% off) is opt-in, never pre-checked. You can cancel anytime — no phone call, no retention script.
Why does the bottle ship from your facility instead of Amazon?
Because counterfeit oral probiotics are a real problem and the strains in Oravero are temperature-sensitive. We don't sell on Amazon, eBay, or third-party marketplaces. If you see Oravero listed there, it's counterfeit. Buy direct or don't buy.
Begin the 90-Day Reset
Stop masking. Start dissolving.
Same bundle selector. Same guarantee. Same answer to the question you've been carrying around for years.
90-Day Money-Back Guarantee
Free US Shipping
No Auto-Renewal Trap
Third-Party Tested for Strain Viability
Oravero ships direct from our facility. We don't sell on Amazon, eBay, or third-party marketplaces. If you see it listed there, it's counterfeit — do not buy it.