Some people claim that drinking a plain old cup of hot water eases indigestion. Warm ginger ale, lemon-lime soda, or flat cola are also said to soothe an upset stomach
A sour solution: try drinking a teaspoon of apple cider vinegar mixed with a half-cup of water. It will help you digest the food if you don’t have enough acid in your stomach. You can add a little honey to sweeten the taste. This works well after a large meal.
Ginger is famous for settling stomach upset and improving digestion. You have three options: Take one or two 250-milligram capsules of ginger with meals, eat a few pieces of candied ginger as needed, or brew up a cup of ginger tea.
Chamomile is an age-old treatment for indigestion. It calms the stomach and soothes spasms in the intestinal tract. Take a half-teaspoon chamomile tincture up to three times daily, or drink a few cups of chamomile tea throughout the day.