Whether you are gassy, constipated, nauseous, or have indigestion, try these natural remedies to make an upset stomach feel better without medicine.Carrot and Mint "Juice" Helps an Upset Stomach It might sound iffy, but this concoction is helpful. The carrot provides nourishment and peppermint soothes your upset stomach. Boil four sliced carrots, four cups of water, and one teaspoon of dried peppermint or 1 peppermint teabag.Turn the heat to medium-low and cook about 15 minutes or until carrots are soft. If you are using a teabag, remove it, then blend the mixture until smooth and enjoy! You can also add a pinch of ground ginger to further soothe, or a squeeze of lemon juice for flavor.Rice Tea Alleviates an Upset Stomach To settle an upset stomach or stop diarrhea, make a rice "tea." Boil 1/2 cup of rice in six cups of water for about 15 minutes. Strain out the rice, and then flavor the water with a dash of honey or sugar and drink warm.Burnt Toast Settles an Upset Stomach You know that toast is good for an upset stomach, but burnt toast is even better because the char absorbs toxins that are making you feel ill. Add a smear of jelly to make it more palatable.Yogurt Reduces Discomfort from an Upset Stomach You probably do not crave anything dairy when you have a stomachache, but the probiotic qualities of yogurt—aka live bacteria—make it a good cure as it eases digestive discomfort and boosts your immune system. Just make sure to choose non-fat plain yogurt without added sugar or flavors when you have an upset stomach.Heat Helps an Upset Stomach Place a hot water bottle or heating pad on your upset stomach. The heat increases blood flow to the skin surface and transfers the perception of pain from inside your stomach to the outside.