ProDentim review: ingredients, price, side effects and our verdict

What is ProDentim?

ProDentim is a chewable “oral probiotic” tablet sold through ClickBank and marketed for healthy teeth and gums, fresher breath and ear, nose and throat immune health. The official page describes it as a strawberry-flavored soft tablet that you let dissolve in your mouth, and it is distributed by a company called ProDentim in Tallmadge, Ohio. Each bottle holds 30 soft tablets.

We did not test ProDentim on people. We analyzed the supplement facts label published on the official website, compared it with the marketing copy, and checked each ingredient against published human research. That matters here, because the label and the sales page do not fully agree, as we explain below.

According to the label, one tablet provides 100 mg of chicory root inulin, a 20 mg proprietary probiotic blend with 3.5 billion colony forming units (CFU) at the time of manufacture (Lactobacillus paracasei, Lactobacillus reuteri and Bifidobacterium lactis BL-04), and 20 mg of Streptococcus salivarius. Other ingredients are tricalcium phosphate, microcrystalline cellulose, natural strawberry flavor and peppermint essential oil.

How ProDentim claims to work

The sales page argues that many people have too few “good” bacteria in the mouth, that toothpaste and mouthwash can harm this oral microbiome, and that chewing a probiotic tablet can “repopulate” the mouth with beneficial strains. The brand says its formula is backed by clinical research, supports gums and sinuses, helps keep breath fresh and even promotes restful sleep and digestion. It also states that malic acid from strawberries helps maintain tooth whiteness.

Some of this deserves context. The oral microbiome is a real and active research field, and specific probiotic strains have been tested in dental trials. But there is no evidence that ProDentim as a finished product has been studied, and the claim that toothpaste and mouthwash are harmful runs against mainstream dental advice: fluoride toothpaste and, for some people, therapeutic mouthrinses remain the foundation of oral care. We also could not find malic acid on the current supplement facts label, even though the sales page still lists it, and the label lists Streptococcus salivarius, which the sales page does not mention.

What the ingredients actually do

The probiotic strains

Probiotics are strain-specific: benefits seen with one strain cannot be assumed for another, a point the National Center for Complementary and Integrative Health (NCCIH) stresses. NCCIH notes that a review of 12 small studies found probiotics might be a helpful addition to gum disease treatment, with effects that differ by product.

Lactobacillus reuteri is the best-studied of ProDentim’s strains for gums. A randomized trial of L. reuteri lozenges used alongside professional deep cleaning (scaling and root planing) improved plaque, bleeding and pocket depth compared with placebo over a year. A meta-analysis of L. reuteri as an adjunct to periodontal therapy found short-term benefits, especially in deeper pockets, while a 2020 meta-analysis on gingivitis found only weak evidence overall and no significant effect of L. reuteri on gingival or plaque indexes. ProDentim does not name its L. reuteri strain, so we cannot tell whether it matches the studied ones.

Bifidobacterium lactis appears as the named strain BL-04. The dental trial the brand cites used a different strain, B. lactis HN019, in lozenges taken twice daily as an adjunct to scaling and root planing. BL-04 itself has been studied mostly for respiratory outcomes: one trial in active adults found a lower risk of upper respiratory illness, while a rhinovirus challenge trial found no reduction in colds.

Lactobacillus paracasei has mixed dental results. A six-month trial of the SD1 strain in children reduced cavity-linked bacteria and new cavities in high-risk kids, but an infant study with the F19 strain found no long-term effect on cavities. Again, ProDentim does not name its strain.

Streptococcus salivarius is a natural mouth resident, and strains such as K12 are widely sold for breath. Evidence is limited: a small placebo-controlled K12 trial found no significant difference from placebo for tongue-coating related bad breath when the tongue was not cleaned first. Pooled analyses suggest probiotics as a group may reduce bad breath scores in the short term, but the studies are small and varied. ProDentim does not say which S. salivarius strain it uses.

Inulin, calcium and peppermint

Inulin is a prebiotic fiber. A meta-analysis of chicory inulin found it increased gut bifidobacteria at 3 to 20 grams per day. ProDentim’s 100 mg is a tiny fraction of that, so it is best seen as a minor additive. Calcium (as tricalcium phosphate) is listed only as an “other ingredient,” and its amount is not stated, so it should not be counted on for tooth mineral support. Peppermint essential oil provides flavor and a fresh feeling; the antiplaque evidence for essential oils comes from rinses used twice daily, not from a trace of flavor oil in a tablet.

Who it may suit, and who should skip it

ProDentim may suit healthy adults who already brush with fluoride toothpaste, clean between their teeth and see a dentist regularly, and who want to try an oral probiotic as an extra. Its strains are more relevant to the mouth than most “dental” supplements, and the per-tablet CFU count is disclosed.

It is not a substitute for dental care. Bleeding gums, persistent bad breath, loose teeth or tooth pain are reasons to see a dentist, because gum inflammation can progress to periodontitis if plaque is not removed professionally. People with weakened immune systems, serious illness, recent major surgery or heart valve problems should not take probiotics without medical advice, since NCCIH notes the risk of harm is greater in these groups. If you are pregnant, breastfeeding or take prescription medication, check with your doctor first. The label is for adults, and the product contains strawberry flavor and peppermint oil, which some people are sensitive to.

Price, guarantee and where to buy

On the official site we reviewed, the basic option is two bottles for $158 plus $9.99 shipping ($79 per bottle). Three bottles cost $207 ($69 per bottle) and six bottles cost $294 ($49 per bottle), both with free US shipping. Orders are one-time payments processed by ClickBank. That makes ProDentim one of the more expensive ways to get 3.5 billion CFU of probiotics per day.

Every order is covered by a 60-day money-back guarantee. The refund policy asks you to email support and return all bottles, opened or not, and return shipping is at your cost. Because copycat listings exist on marketplaces, buy only from the official website so that the guarantee applies and you receive the genuine product.

Our verdict

ProDentim is the most plausible of the oral health supplements we reviewed, because it relies on probiotic species that have actually been studied in dental trials. But its strengths are diluted by its weaknesses: three of its four strains are not identified at the strain level, individual CFU counts are hidden in a 20 mg blend, the inulin dose is token, and the sales page lists an ingredient (malic acid) that is not on the current label. Benefits seen in clinical trials usually came from specific strains, often used alongside professional cleaning.

We rate ProDentim 3.3 out of 5: a reasonable add-on for people curious about oral probiotics, with a fair 60-day refund window, but expensive and not proven as a finished product. Brushing, flossing and regular dental visits matter far more.