Most bad breath starts in the mouth, from bacteria on the back of the tongue and between the teeth that produce sulfur compounds. Oral probiotics aim to crowd those bacteria out with friendlier strains. ProDentim is one of the best-known of these products.
What is in ProDentim
A chewable tablet with 3.5 billion CFU across three strains (Lactobacillus paracasei, B. lactis BL-04, Lactobacillus reuteri) plus inulin, malic acid, tricalcium phosphate and peppermint. The peppermint freshens breath immediately; any probiotic effect takes weeks.
What the research shows
- The best evidence for probiotics and bad breath is for Streptococcus salivarius K12, which ProDentim does not contain.
- Some Lactobacillus reuteri strains have reduced odour compounds in small studies, but ProDentim does not name its L. reuteri strain, so the results may not apply.
- Probiotics work best alongside tongue cleaning, flossing and treating gum disease, not instead of them.
How long before you would notice anything
Give any oral probiotic 4–8 weeks of daily use. ProDentim’s 60-day money-back guarantee covers that window if you order from the official website and keep your ClickBank order number.
When bad breath is not a mouth problem
Persistent bad breath despite good hygiene can come from gum disease, dry mouth from medication, tonsil stones, sinus infection, reflux or, rarely, diabetes or kidney problems. If it does not improve, see a dentist or doctor.
Who should skip ProDentim
- Anyone severely immunocompromised.
- Anyone currently on antibiotics (wait until the course ends).
- People with a dairy allergy should check their batch label.
Prices and the guarantee are on the ProDentim official website page; the full strain analysis is in our ProDentim review. For gums, see ProDentim and receding gums.
See ProDentim on the official website →
Men’s Health Authority is an independent review site and may earn a commission if you buy through our links. This page is not medical advice.
Official website guides for popular supplements