Here are some herbal remedies for bad breath:
Basil, rosemary, parsley and thyme can help to get rid of bad breath.
Use alfalfa tablets to get rid of bad breath.
A lemon wedge with salt can help you if you eat onions or garlic.
Make tea with cloves. Use three whole ones or ground, combine it with hot water and let it sit for no more than 20 minutes.
Fennel can be used to place on your gums and your tongue to get rid of bad breath.
Natural gum that has spearmint or peppermint oils is good to use for bad breath. Using these oils can eliminate the bacterium that causes bad breath. When you chew the gum, you produce saliva which gets rid of the bad breath.
A South American remedy that is used is gargling with one teaspoon of honey and cinnamon powder. Combine the mixture with hot water. This should be done in the morning. It supposed to keep your breath fresh all day.