In this article. Creatinine is a waste product from the normal breakdown of muscle tissue. As creatinine is produced, it's filtered through the kidneys and excreted in urine. Doctors measure the blood creatinine level as a test of kidney function.The kidneys ' ability to handle creatinine is called the creatinine clearance rate, which helps to estimate the glomerular filtration rate (GFR) -- the rate of blood flow through the kidneys.s creatinine is produced, it's filtered through the kidneys and excreted in urine. Doctors measure the blood creatinine level as a test of kidney function.
There are 163 calories in 1 medium White Potato (Flesh and Skin, Baked). Calorie breakdown: 1% fat, 90% carbs, 9% protein.
According to the U.S. Department of Agriculture Nutrient Data Laboratory, one medium-sizedâabout 2.25 to 3.25 inches in diameter--baked red potato with the skin contains about 154 calories, 4 grams of protein, almost no fat and 34 grams of carbohydrates.hether youâre looking to cut carbs or increase your carbohydrate intake, itâs helpful to become familiar with carbohydrate content in foods. Red potatoes are rich in carbohydrates and other beneficial nutrients.