Ketones are alternative fuel molecules produced from fat when glucose is not available in the diet, such as during fasting or a low-carbohydrate diet. Ketones can be used as a source of energy by the brain, muscles, and other tissues. They are not made from amino acids, stored in the brain, or associated with long-term weight gain.

Solved

Ketones Are

Question 29

Multiple Choice

Ketones are

A) made from amino acids.
B) alternative fuel molecules produced when glucose is not available in the diet.
C) stored in the brain to support its function.
D) associated with weight gain over long periods of time.

Correct Answer: