ketosis

noun

ke·to·sis | \ kē-ˈtō-səs

Definition of ketosis

: an abnormal increase of ketone bodies in the body

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The goal is to restrict carb consumption to between 20 to 50 grams of carbs per day to trigger ketosis. — Karla Walsh, Woman's Day, "What Is the Keto Diet, Exactly?," 27 Dec. 2018 Adherents strive to keep their bodies in ketosis by eating a specific balance of macronutrients, or macros, made up of mostly fats, some protein, and very few carbs. — Jamie Lauren Keiles, Vox, "How low-fat dairy came to rule the US — and why that’s changing.," 20 Dec. 2018 The diet's aim of inducing ketosis — a metabolic process where the body uses fat instead of carbs for energy — can backfire tremendously. — Caroline Picard, Good Housekeeping, "What You Can (and Can’t) Eat on a Keto Diet," 21 Aug. 2018 When no glycogen is available for energy, the body does go into ketosis, turning to fat for energy. — SELF, "What You Need to Know Before Trying Intermittent Fasting," 7 Nov. 2018 Some celebrities and sports stars embrace them, and people who fast use the regimen to further push their body into ketosis. — Mark Barna, Discover Magazine, "Not So Fast," 24 Sep. 2018 The keto diet is all about proteins and extra fat — with very little carbs — to get to a state of ketosis, a metabolic process where the body burns fat instead of glucose for energy. — Michele Corriston, PEOPLE.com, "Mama June Posts Old Swimsuit Photo After Gaining 25 Lbs. Back: 'I'm Still Beautimess!'," 4 July 2018 Here’s where keto gets tough: A few extra carbs a day, even from vegetables, can knock you out of ketosis. — Jacqueline Detwiler, Popular Mechanics, "I Hacked My Body So You Don't Have To," 25 June 2018 The goal is to achieve ketosis, a state in which the body uses fat as its primary fuel, rather than carbs. — Blake Bakkila, Health.com, "This Woman Has Lost 40 Pounds in 8 Months Since Starting the Keto Diet," 6 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'ketosis.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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The first known use of ketosis was in 1917

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ketosis

noun

ke·to·sis | \ kē-ˈtō-səs

plural ketoses\ -ˌsēz

Medical Definition of ketosis

1 : an abnormal increase of ketone bodies in the body in conditions of reduced or disturbed carbohydrate metabolism (as in uncontrolled diabetes mellitus) — compare acidosis, alkalosis

2 : a nutritional disease of cattle and sometimes sheep, goats, or swine that is marked by reduction of blood sugar and the presence of ketone bodies in the blood, tissues, milk, and urine and is associated with digestive and nervous disturbances