Is there any way to cure halitosis naturally?

Yes, Parsley: Place in a blender fresh washed parsley with a cup of water blend and drink first thing in the morning. The chlorophyll in the parsley is the best thing for controlling halitosis naturally.

Tx gut or mouth: It cut be from the gut or the mouth. Probiotics and gum pocket cleaning.

Sometimes: It depends what's causing the bad breath. Avoiding certain foods and proper oral hygiene may solve the problem. If it's from cavities, gum disease, or other dental and medical issues, it will require professional care. Start by seeing your dentist to rule out any dental causes. Your dentist may have to refer you to a physician if it is from any number of medical causes.