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.
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. However, these are not the only foods that you can eat to calm your upset stomach.In addition to these, you might try crackers, yogurt, skinned baked or broiled chicken (never fried chicken), soft fruits and vegetables, oatmeal, angel food cake, pretzels, and sherbet.he 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. However, these are not the only foods that you can eat to calm your upset stomach.