Creatinine is transported through the bloodstream to the kidneys. The kidneys filter out most of the creatinine and dispose of it in the urine. Because the muscle mass in the body is relatively constant from day to day, the creatinine production normally remains essentially unchanged on a daily basis.
When you have an upset stomach, avoid acidic foods, he says. 1  Fatty Foods Fatty foods stimulate contractions in the digestive tract, which, surprisingly, can either slow down the emptying of the stomach and worsen constipation or speed up movement and worsen or lead to diarrhea.
Drinking ginger ale or ginger tea helps heal an upset stomach. Toast is another food that can be eaten during a stomach upset. However, butter, jam or peanut butter are not allowed, as an accompaniment for toast. Cutting up the toast into tiny bits and dropping them into the broth, can be a nice way of having toast. Toast can also be had along with applesauce.