Oral Probiotics for Halitosis in Healthy Adults

The aim of this study is to evaluate efficacy of a probiotic lozenge containing BLIS M18, BLIS K12 and a prebiotic in healthy adults.

This is a double-blind, randomized controlled colonization pilot study with no crossover to evaluate the efficacy of probiotic lozenges on halitosis in healthy adults. Participants will be randomly assigned to 2 groups consuming probiotic lozenge containing Streptococcus salivarius M18 and K12 and with prebiotic over a 13 day period. Breath scores will be measured at predetermined time points pre and post intervention.

Inclusion Criteria: * Participants should be otherwise healthy, * practice good oral hygiene, * 18 - 70 years of age Exclusion Criteria: * on antibiotic therapy, * immunocompromised (have a weakened immune system) * history of autoimmune disease, * allergy or sensitivity to dairy, * have an active periodontal disease, any known allergy or sensitivity to components of the test product or cysteine solution.