Last reviewed 2026-04-23 · How we verify

Probiotic lozenges

Probiotic lozenges support the growth of beneficial bacteria in the mouth, promoting a healthy oral microbiome.

Probiotic lozenges support the growth of beneficial bacteria in the mouth, promoting a healthy oral microbiome. Used for Oral mucositis prevention, Halitosis treatment.

At a glance

Mechanism of action

By introducing beneficial bacteria, probiotic lozenges can help to reduce the incidence of oral infections, gum disease, and bad breath. This is achieved through the colonization of the oral cavity with beneficial microorganisms, which can outcompete pathogenic bacteria for space and resources.

Approved indications

• Oral mucositis prevention
• Halitosis treatment

Common side effects

• Gastrointestinal upset
• Allergic reactions

Key clinical trials

• Microbiological and Clinical Effects of Pre- and Probiotics in Non-Surgical Periodontal Therapy (NA)
• Oral Probiotics for Halitosis in Healthy Adults (NA)
• Lactobacillus Reuteri Alleviates Oral Mucositis in Patients Undergoing Radiotherapy for Malignant Head and Neck Tumors (PHASE2)
• The Effect of Oral Probiotics on Oral Hygiene and Halitosis in Orthodontic Patients. (NA)
• Efficacy of SALI-10 Oral Probiotics in Experimental Gingivitis (PHASE2)
• Lactobacillus Reuteri in the Supportive Therapy of Periodontitis (NA)
• The Use of Chlorhexidine and a Probiotic Lozenge in the Nonsurgical Therapy of Periodontitis (NA)
• Comparative Study Between Photodynamic Therapy with LED Associated with Probiotics in the Treatment of Halitosis (PHASE1)

Primary sources

Every claim on this page is sourced from regulatory or scientific primary sources. See our editorial policy for full methodology.