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ketogenic diet

American  
[kee-toh-jen-ik dahy-it] / ˌki toʊˈdʒɛn ɪk ˈdaɪ ɪt /

noun

ketogenic diets plural
  1. a low-carbohydrate, high-fat diet that causes the breakdown of fats into ketone bodies, which consequently replace carbohydrates as the body’s main source of energy: used as a regimen for weight loss, the ketogenic diet is also used to control certain medical disorders or episodes, especially epileptic seizures in children.


Other Word Forms

Noun Inflected Forms

Etymology

Origin of ketogenic diet

First recorded in 1915–20

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The ketogenic diet gets its name from ketosis, a metabolic state in which the body switches from using sugar as its main fuel to burning fat.

From Science Daily Mar. 9, 2026

The secretary also recently declared that the ketogenic diet can cure schizophrenia, a fringe idea that has been rejected by every expert in the field.

From Salon Feb. 19, 2026

The animals were assigned to one of four diets: a high-fat Western diet, a low-fat high-carbohydrate diet, a traditional ketogenic diet where nearly all calories came from fat, and a protein-matched low-fat diet.

From Science Daily Jan. 27, 2026

The study appears in Science Advances under the title "A long-term ketogenic diet causes hyperlipidemia, liver dysfunction, and glucose intolerance from impaired insulin secretion in mice."

From Science Daily Jan. 27, 2026

The ketogenic diet is built around extremely high fat intake and very limited carbohydrates.

From Science Daily Jan. 27, 2026

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