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.
Waxier potatoes contain more sugars than other types of potatoes. For example, the sugar content in 100 grams of red potatoes is 1.29 grams and that of white potatoes is 1.15 grams, while russet potatoes only contain 0.62 grams of sugar per 100-gram serving. How potatoes are stored can also alter their sugar content.