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.
Calories In breakfast potato and onion skillet Calories: 211, Fat: 5g, Carbs: 26g, Protein: 13g, Fiber: 3g. Calories In breakfast potato sausage skillet Calories: 250, Fat: 14g, Carbs: 14g, Protein: 16g, Fiber: 1g. Calories In Breakfast Potato Skillet Calories: 211, Fat: 8g, Carbs: 23g, Protein: 13g, Fiber: 3g. Calories In Breakfast Potato Calories: 297, Fat: 9g, Carbs: 36g, Protein: 18g, Fiber: 2g.