Ketone bodies are produced from the incomplete breakdown of fats when glucose is unavailable for the brain and nerve cells.
Ketone bodies are the substances which are produced by the liver during gluconeogenesis. Gluconeogenesis involves formation of glucose during fasting and starvation. The three ketone bodies produced by the liver include acetoacetate, beta-hydroxybutyrate, and acetone.
These compounds are utilized in healthy individuals to provide energy to the cells of the body when glucose is low or absent in the diet.
During fasting or starvation, the glucose levels in the blood quickly decrease which stimulates the body to enter the post-absorptive state. In this state, the body starts converting fat back into fatty acids, glycogen into glucose, and even starts breaking down amino acids for energy.
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