1. Eat a low carb diet balanced with fats and proteins. Fatty foods break down and create ketones, a byproduct of fat that sits in your stomach and ferments; the odor of ketones then come back up through your esophagus and can stick to your tongue. That's why it's important to add healthy carbs like broccoli, carrots, sweet potatoes, and fresh fruits into your diet, which balance out the fats and promote better breath.
2. Drink more water. Water lubricates your mouth, keeping bacteria at bay, and also keeps your body functioning normally.
3. Lower drinking bottled sports drinks, Sodas. Bottled sports drinks, Sodas and some bottled iced teas are preserved with citric acid, which not only contributes to bad breath but wears away the enamel on your teeth. Soda is even more acidic and can literally take paint off wall
4. Drink more green juice and less coffee. Green juice contains low levels of acid, while coffee contains high amounts, which can lead to bad breath. And keeping your body at an alkaline level rather than an acidic level will make it function better overall.
5. Chew on fresh mint leaves / parsley or Cinnamon . If you want to naturally freshen your breath, stash one of these herbs in a sandwich bag and take them to go. The mint will help freshen your breath.
6. Take Probiotics. Probiotics give you the proper enzymes you need to break down foods sufficiently and decrease the chance of food fermenting in your stomach.
7. Brush your Teeth every. Brushing your teeth helps eradicate the plaque and bacteria on your teeth. If you don't brush daily, the food in between your teeth will feed the bacteria in your mouth, and the more nutrients you give the bacteria, the more the bacteria will give off stinky acids that cause bad breath.
8. Clean your tongue. Bacteria stick to your taste buds, then release a waste byproduct that causes a gross stench. When you use a tongue scraper or brush your tongue.
9. Rinse your mouth with alcohol free mouthwash that contains a zinc compound. The goal is to always keep your mouth moist, because your saliva helps wash away odor and cavity causing bacteria. Alcohol dries your mouth out and leads to more bacteria and eventually bad breath. It's also important to pick up an alcohol free mouthwash with a zinc compound in it, since zinc kills the volatile sulfur compounds,
10. Chew sugarless gum. Chewing gum increases salivary flow and helps remove some bacteria and staining, but you want to make it's sugar free so you're not feeding the bacteria in your mouth and contributing to bad breath.
11. Don't Smoke Smoking not only dries out your mouth and body tissues, the nicotine actually squeezes the blood vessels so you're not getting healthy saliva flow. This combo is what disrupts your mouth's normal functioning process and leads to bad breath.
12. Visit your dentist regularly. Especially if your bad breath isn't going away and you've tried all of the above, since you could be dealing with something more serious.