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.
4.) Brat Diet â Many doctors recommend the brat diet for upset stomach conditions. The brat diet usually includes bananas, rice, applesauce and toast (no butter). Bananas are rich in minerals and fiber, and are easy to digest (just make sure you eat well ripened bananas).ne glass of red wine after a meal seems to help with digesting spicy foods as well as aids with restricting conditions like bloating, gas or acidity. Red wine is choke full of phyto-chemicals, antioxidants and anti-microbial agents, which is good for an upset stomach.