Including chlorophyll, parsley can help control bad breath. You can dip a small amount of fresh parsley leaves in the vinegar and then chew thoroughly for 1 minute or so. Alternatively, you can put parsley leaves via the juicer and sip the juice when necessary to refresh the breath. Also, parsley can aid in decreasing the intestinal gas production. [Read: home remedies for body odor]
Because fenugreek is highly effective in treating bad breath resulted by catarrhal infections, so you could boil one teaspoon of fenugreek seeds in one cup of water; strain; and then drink the tea.