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.
In some ways, having an upset stomach can even be dangerous. If it is accompanied by nausea or other symptoms, you may find yourself dehydrated and/or not getting enough of the nutrients that you need to function. Fortunately, there are foods that you can eat that will actually help to help calm your upset stomach. When we think about things to eat to calm your upset stomach, we often immediately think of the old tried-and-true BRAT diet. The BRAT diet â which consists of bananas, rice, applesauce, and toast â is based on the idea that you need to eat bland foods that will help to soak up your digestive acids.