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.
Having an occasional upset stomach is something that almost everyone will go through. However, having an upset stomach on a regular basis can often be a sign that there is a problem. The most common causes for an upset stomach are dietary.Eating foods that are high in fat will cause an upset stomach. Eating too fast will cause an upset stomach, as well.Eating too much will do the same.A high level of caffeine or alcohol use can also cause an upset stomach.These are among the most frequent causes of occasional upset stomachs.aving an occasional upset stomach is something that almost everyone will go through. However, having an upset stomach on a regular basis can often be a sign that there is a problem. The most common causes for an upset stomach are dietary.