Your guide to Blood Urea Nitrogen (BUN)

Discover the role of Blood Urine Nitrogen (BUN) in your health and longevity with Mito Health's advanced biomarker analysis. Our detailed reports cover key biomarkers, providing essential insights to help you make informed decisions for a healthier, longer life.

What is Blood Urea Nitrogen (BUN)?

Blood Urea Nitrogen (BUN) is a measure of the amount of urea nitrogen found in the blood.

Urea nitrogen is a waste product generated from the breakdown of proteins in the liver and is excreted by the kidneys.

BUN is used as a marker to assess kidney function and hydration status, as it reflects how well the kidneys are filtering waste out of the blood.

What does it assess?

BUN assesses kidney function and overall metabolic health by indicating how effectively the kidneys are filtering waste.

By monitoring BUN, healthcare providers can get a snapshot of both kidney function and protein metabolism in the body.

How do I optimize my Blood Urea Nitrogen (BUN) levels?

Tip 1

Drinking enough water daily supports kidney filtration and waste excretion.

Dehydration is a common cause of elevated BUN, so consistent hydration can help maintain optimal levels.

Tip 2

High protein intake can increase BUN, as more urea is produced from protein metabolism.

Moderating protein intake, particularly if you have kidney concerns, can help balance BUN levels.

Tip 3

Substances that strain the kidneys, such as excessive alcohol and certain medications, can impact BUN levels.

Limiting these can reduce kidney stress and support better BUN values.

What do high and low Blood Urea Nitrogen (BUN) levels mean?

Elevated BUN levels can indicate dehydration, excessive protein intake, or kidney dysfunction, as the kidneys may be struggling to excrete waste efficiently.

Low BUN levels may be a sign of liver dysfunction, as the liver produces urea from protein metabolism.

It can also occur in cases of malnutrition, where protein intake is insufficient, or during overhydration, where blood volume dilutes the BUN concentration.

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