Bad breath is one of the most embarrassing problems for people, making their self-confidence low. There are many causes that can be a reason for this condition, such as gum disease, eating odorous foods, dry mouth, smoking, sinus conditions, and medical conditions.
Studies have proved that the main cause for this condition is the bacteria that build up between your teeth or on the back of your tongue.
You should have normal oral health, which can help you to control bad breath. Normal oral health is included tongue scraping, flossing, and tooth brushing.
Also, your breath can be fresh if you drink a lot of water during the day. When you have finished eating your meals, you should swish water around your mouth for a few seconds.
This will help you to rid of the food particles in your mouth, and also, your mouth will be clean. But not only the water that can help you. Also, you have other home remedies which can help you to have fresh breath.
This is one of the best home remedies which can help you if you are suffering from bad breath. This herb will help you to have fresh breath. Fennel is a very effective home remedy because it has anti-microbial properties, helping you to rid of the bacteria in your mouth [1,2].
You should slowly chew a tablespoon of fennel because it will stimulate saliva production, and your breath will be fresh.
Also, you can drink fennel tea which can help you to have fresh breath. Drink this tea a couple times per day. You should steep one or two teaspoons of fennel seeds in a cup of hot water. Steep these seeds for 5 – 10 minutes, and then you should drink this tea.
When bad breath is caused by catarrhal infections, then fenugreek tea is one of the best home remedies for this cause .
In a cup of water, you should boil a teaspoon of fenugreek seeds. You should strain this tea and then drink it. You should drink fenugreek tea once per day until the moment you feel that your problem is gone.
Cinnamic aldehyde, an essential oil in cinnamon, reduces the levels of bacteria that are the reason for bad breath and gives you fresh breath. You should boil one teaspoon of cinnamon powder in a cup of water.
Also, you can add some cardamom and bay leaves to this tea. You should strain this mixture. This is a very effective home remedy for reducing the symptoms of bad breath. You should drink this mixture twice per day if you want to have the best results. [2,3]
Chlorophyll which is a component of parsley is a very effective element for neutralizing bad breath. You should chew fresh parsley spring, which will make your breath fresh.
Also, there is another option that you can make from this home remedy. You should dip the parsley in vinegar, and then you should chew this herb.
Also, if you want to refresh your breath, you should put parsley leaves in a juicer. Drink this juice, and you will have fresh breath. Also, this remedy is very effective for aiding digestion. 
If you want to get rid of bad breath, you should use cloves because they possess antibacterial properties. Pop a few pieces of this herb in your mouth, and then you should chew them. In a few minutes, you will feel that your breath is fresh.
Also, there is an option to make tea from this herb. In a cup of water, you should boil a ground or one teaspoon of cloves, and then you should allow this tea to simmer for about 5 – 10 minutes. You should use this tea as mouthwash, or you should drink this tea twice per day. 
This is one of the best home remedies which you can use if you have bad breath. This home remedy is used in traditional medicine, and nowadays, it is used in modern medicine. Lemons are rich in acidic content, helping to limit bacteria growth in your mouth.
Also, this fruit has a strong smell which will cover the bad odor in your mouth.
In a cup of water, you should stir one tablespoon of lemon juice. Then, you should rinse your mouth with this mixture. Also, if you want to add salt to this mixture, you can add a small amount. Then, you should use this mixture to improve your condition.
This is one of the most effective home remedies for bad breath. Also, this remedy reduces the symptoms which are a reason for this condition.
If you have bad breath and want to get rid of it, you should use baking soda as your home remedy. When you are using this home remedy, you are also preventing yourself from getting bad breath.
Baking soda makes acid balance in your mouth which means that you are reducing the chances of getting bad breath. We know that oral bacteria are one of the most common causes of bad breath.
When you are using baking soda as your natural treatment, then you are reducing the production of these bacteria in your mouth.
You should mix ½ tablespoon of baking soda in a glass of warm water. You should rinse your mouth with this mixture. Use this mixture once per day. You should use this mixture until you have felt better results.
When you brush your teeth with baking soda, you reduce the acidity in your mouth, preventing the bacteria from building up on the tongue. 
Apple cider vinegar
It is one of the most wonderful home remedies you can use if you suffer from bad breath. The apple cider vinegar’s pH balance makes it the perfect natural remedy for bad breath. You should stir one tablespoon of raw and unfiltered apple cider vinegar into a glass of water. You should drink this home remedy before you have eaten your meals.
This remedy will help you to cure bad breath, and also it will help your digestion.
Also, another option is made from this product which you can use as your natural treatment for bad breath. In a cup of water, you should add apple cider vinegar, and then you should gargle with this mixture.
Herbal teas are also great natural remedies for bad breath. One component in black and green tea is known as antioxidant polyphenols. This component does not allow bacteria, which is a reason for the bad breath to spread in your mouth.
Also, you can make other tea. In a cup of hot water, you should steep one teaspoon of dried sage. Then, you should strain this tea. You should drink this tea several times per day if you want to get rid of bad breath. 
Tea tree oil
This is a powerful disinfectant for your mouth. Also, tea tree oil has antiseptic properties, which will help you to rid of bad breath. There are many options in which you can use this home remedy as your natural treatment. One of these options is to use toothpaste with tea tree oil as its component.
If you have this toothpaste, then you should brush your teeth with it. Also, there is another option in which you can use this home remedy. Before washing your teeth, you should add some drops to your normal toothpaste.
Also, you can make mouthwash from this home remedy. You should add lemon oil, peppermint oil, and tea tree oil to a glass of water.
This is your mouthwash which you can use to rid of your problem. If you have tried some of these home remedies and are not seeing better effects, you should visit your doctor. Maybe, there is some underlying condition that is the cause of your problem. 
Eat foods rich in fiber
You should eat foods that are rich in fiber because this element will prevent bad breath. You should not eat foods which are having carbohydrates, such as ice cream, cakes, sweets, and cookies.
Your mouth will be fresh, and you will not have bad breath if you drink a lot of water. One of the biggest causes of bad breath is dehydration. Many people are not drinking enough amount of water which results in bad breath. Also, if you have dry mouth, then this can be a reason for your problem.
Supplement with zinc
You should also add zinc to your diet because this element will keep your mouth free from bacteria. You should eat food that is rich in zinc, such as organ meats, pumpkin seeds, gourd seeds, and cacao. These natural foods will give you the amount you need to have clean breath.
Include more raw foods in your diet
You should eat raw foods such as apples, celery, and carrots, which are fiber-rich. These foods will help you to rid of bad breath.
 Swathi V, Rekha R, Jha A, et al. Effect of chewing fennel and cardamom seeds on dental plaque and salivary pH – A randomized controlled trial. International Journal of Pharmaceutical Sciences and Research. 2017.
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 University Of Illinois At Chicago. Popular chewing gum eliminates bacteria that cause bad breath.” Science Daily. 2004.
 Madhushankari GS, Yamunadevi A, Selvamani M, et al. Halitosis – An overview: Part-I – Classification, etiology, and pathophysiology of halitosis. Journal of Pharmacy and Bioallied Sciences. 2015;7(Suppl2):S339–S343.
 Akkaoui S, Ennibi Ok. Use of traditional plants in management of halitosis in a Moroccan population. Journal of Intercultural Ethnopharmacology. 2017;6(3):267–273.
 Brunette DM. Effects of baking-soda-containing dentifrices on oral malodor. Compend Contin Educ Dent Suppl. 1996;17(19):S22-32.
 Kingsley D. Black tea a potent remedy against bad breath. ABC Science. 2003. Retrieved from www.abc.net.au/science/articles/2003/05/21/860319.htm
 Salvatori C, Barchi L, Guzzo F, Gargari M. A comparative study of antibacterial and anti-inflammatory effects of mouthrinse containing tea tree oil. Oral & Implantology. 2017;10(1):59-70.