Afriend says he is on the ""keto diet"" and eats no carbohydrates. his body converts his dietary protein to glucose through

Ketosis

Explanation:

When a person only consumes protein and no carbohydrates the body becomes bound to use the fat in their body to produce energy. This process is known as ketosis.

Chemicals called ketones in the body rises due to ketosis. As the level of ketones increase in the body the blood acidity level rises. An excess amount of ketones can cause a condition called ketoacidosis.