Translation guide
A very low-carbohydrate, high-fat diet that puts the body into a metabolic state called ketosis. In Japanese, it is most commonly referred to by the loanword ケトジェニックダイエット or the shorter ケトダイエット, but the medical term ケトン食療法 is also used.
Referring to the ketogenic diet in everyday conversation, health contexts, or online.
The most direct and widely understood loanword for 'ketogenic diet'. Used in health and fitness contexts.
最近、ケトジェニックダイエットを始めました。
I recently started a ketogenic diet.
A common abbreviation of ケトジェニックダイエット. Casual and frequently used in blogs, social media, and everyday speech.
Explaining what the ketogenic diet is, often by describing its macronutrient composition.
Literally 'carbohydrate-restricted diet'. While not exclusively ketogenic, it is often used to describe low-carb diets that may lead to ketosis. Useful when explaining the concept to someone unfamiliar with the loanword.
ケトジェニックダイエットは、極端な糖質制限食の一種です。
The ketogenic diet is a type of extreme carbohydrate-restricted diet.
For general conversation, ケトジェニックダイエット or ケトダイエット are safe choices. In medical or scientific contexts, ケトン食療法 is more precise. Avoid using 糖質制限食 as a direct translation for 'ketogenic diet' unless you clarify the extreme carb restriction, as it can refer to any low-carb diet.
I wonder if the keto diet is effective?
The formal medical term for a ketogenic diet, often used in clinical settings, especially for epilepsy treatment.
てんかんの治療としてケトン食療法が用いられることがあります。
A ketogenic diet is sometimes used as a treatment for epilepsy.
Descriptive phrase meaning 'high-fat, low-carbohydrate diet'. Clear and easily understood, but not a set term.
ケトダイエットは高脂肪・低炭水化物の食事です。
The keto diet is a high-fat, low-carbohydrate diet.