Problem: terrible BO/Bad breath (and YES others smell it, it s NOT in my head) Tried: Therabreath, BreathRX, Closys, chlorhexidine gluconate, Parsley oil, Xylitol, activated charcoal , antifungals, antibiotics (topical and systemic), gentian violet, probitics, yogurt, fiber, hydrogen peroxide , dental cleaning, multivitamins, zinc , tea tree oil, natural deodorants, prilosec, tagment, regular antacids, tongue scraping, power flosser Tests: Sinus CT scan , Full blood work--all normal