Kidney Urea Level Low. Blood urea nitrogen bun. The causes of low creatinine differ from the causes of high creatinine.

Creatinine levels also play a role in assessing kidney function. Low protein diet malnutrition or starvation. Lower than normal blood urea nitrogen level may be due to.
Blood urea nitrogen bun urea nitrogen is a natural waste product that is generated after the body breaks down protein from the foods you eat.
Liver disease malnutrition when your diet doesn t have enough nutrients or your body can t take them in well. It is normally removed from your blood by your kidneys but when kidney function slows down the bun level rises. This is because the bun level by itself doesn t always reveal much. Blood urea nitrogen bun.