Bad breath often caused by poor dental hygiene, but also nose or throat infections, poor diet, constipation, smoking, liver malfunction, indigestion, inadequate protein digestion.
Diet:
Eat 50% raw food for a week and check for improvement.
Nutrients:
Chlorophyll, fiber, acidophilus, alfalfa, garlic, digestive enzymes.
Herbs:
Peppermint, rosemary, sage.