/WHAT_IT_IS
BUN measures nitrogen waste from protein metabolism. Elevated with kidney issues, dehydration, or high protein intake.
/NORMAL_RANGE
Reference: 7–20 mg/dL.
What does high BUN mean?
- +Dehydration, high protein intake, kidney dysfunction, GI bleeding.
What does low BUN mean?
- +Low protein intake, liver disease, overhydration.
/ON_TRT
High protein diets common among TRT users routinely push BUN to the upper end of normal without indicating problems.
/RELATED
/TRACK_THIS
Track BUN in the app.
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