2. Supplement With Zinc
Another common cause of halitosis is a deficiency in the mineral zinc, which helps maintain a clean, bacteria-free mouth. Some mouthwash products actually contain zinc as an active ingredient because the mineral is a known antimicrobial, and aids in the neutralization and elimination of harmful germs. But supplementing with oral zinc and eating more zinc-rich foods like pumpkin and gourd seeds, cacao, and organ meats, for instance, might be an even better approach, as it can help address the problem systemically.
“Zinc deficiency is associated with poor healing, immunity and inflammation,” writes Heather Caruso in her book, Your Drug-Free Guide to Digestive Health. “Halitosis from oral disease can benefit from zinc supplementation.