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.
1 To avoid bloating, be aware of these sweeteners in the foods you eat and limit the amount you consume. 2  Dairy products can be a source of intestinal distress and bloating if you have trouble digesting lactose, or milk sugar. Overeating is probably the most common cause of bloating. 2  Smaller portions should ease the pain. 3  Eating rich and fatty food can make you feel uncomfortably stuffed. 4  Fat takes longer to digest than protein or carbohydrates, so it keeps the stomach full longer.