Nitrogen balance

From WikiMD's Wellness Encyclopedia

Nitrogen balance is a measure of nitrogen input minus nitrogen output. Nitrogen is a fundamental part of amino acids, which are the building blocks of protein. Therefore, nitrogen balance can be used to assess how well the body is processing protein.

Overview[edit | edit source]

Nitrogen balance is used in nutrition to assess the amount of protein a person needs in their diet. The body uses protein to build and repair tissues, make enzymes, hormones, and other body chemicals. Protein is also an important building block of bones, muscles, cartilage, skin, and blood.

Nitrogen Balance Calculation[edit | edit source]

The nitrogen balance can be calculated using the following formula:

Nitrogen balance = Nitrogen intake - Nitrogen loss

Where:

  • Nitrogen intake is the amount of nitrogen consumed in the diet.
  • Nitrogen loss is the amount of nitrogen excreted from the body.

Factors Affecting Nitrogen Balance[edit | edit source]

Several factors can affect the nitrogen balance, including:

  • Diet: The amount and type of protein in a person's diet can affect the nitrogen balance.
  • Illness or injury: Illness or injury can increase the body's need for protein and affect the nitrogen balance.
  • Exercise: Regular exercise can increase the body's need for protein and affect the nitrogen balance.

Nitrogen Balance and Health[edit | edit source]

A positive nitrogen balance indicates that the body is gaining protein and growing, while a negative nitrogen balance indicates that the body is losing protein and potentially breaking down muscle tissue. Therefore, maintaining a positive nitrogen balance can be important for overall health and well-being.

Nitrogen balance Resources
Wikipedia
WikiMD
Navigation: Wellness - Encyclopedia - Health topics - Disease Index‏‎ - Drugs - World Directory - Gray's Anatomy - Keto diet - Recipes

Search WikiMD

Ad.Tired of being Overweight? Try W8MD's physician weight loss program.
Semaglutide (Ozempic / Wegovy and Tirzepatide (Mounjaro / Zepbound) available.
Advertise on WikiMD

WikiMD's Wellness Encyclopedia

Let Food Be Thy Medicine
Medicine Thy Food - Hippocrates

WikiMD is not a substitute for professional medical advice. See full disclaimer.
Credits:Most images are courtesy of Wikimedia commons, and templates Wikipedia, licensed under CC BY SA or similar.

Contributors: Prab R. Tumpati, MD