Bad breath breakthrough? probiotic lozenges put to the test
Symptom relief
Not yet recruiting
This study tests if a daily probiotic lozenge can reduce bad breath caused by a sulfur compound (cysteine) in healthy adults. Forty volunteers will take either the active lozenge or a placebo for 13 days. Breath sulfur levels are measured before and after treatment to see if the …
Phase: NA • Sponsor: John Hale • Aim: Symptom relief
Last updated Jun 27, 2026 09:01 UTC