Blood Urea Nitrogen
What is BUN in blood tests?
BUN Measurement
Low: Below 6mg/dL
High: Above 20mg/dL
About Blood Urea Nitrogen
Measures kidney function by assessing urea nitrogen levels in the blood.
The reasons for low BUN
Low BUN may result from malnutrition, liver disease, overhydration, or anabolic steroid use. Increasing dietary protein, maintaining proper hydration, and addressing liver health can help normalize levels.
The reasons for elevated BUN
High BUN can indicate kidney dysfunction, dehydration, excessive protein intake, or heart failure. Improving hydration, moderating protein intake, and managing kidney function are essential for reducing BUN levels.
Is it bad too have too high/low BUN?
Low BUN may lead to muscle wasting and protein metabolism imbalances, particularly in cases of malnutrition or liver dysfunction.
High BUN can contribute to kidney stress and waste buildup in the bloodstream, leading to nausea, fatigue, and worsening kidney disease.