New study: probiotic lozenges may banish bad breath
Symptom relief
Not yet recruiting
This study tests whether a daily probiotic lozenge can reduce bad breath caused by a sulfur-containing amino acid (cysteine) in healthy adults. Forty volunteers will take either the active lozenge or a placebo for 13 days. Breath sulfur levels will be measured before and after tr…
Phase: NA • Sponsor: John Hale • Aim: Symptom relief
Last updated May 11, 2026 20:38 UTC