A ketogenic diet is becoming a well-known dieting strategy within the UK and USA, but what is a keto diet and what are the results like? The keto diet is well known for being a diet containing low carbohydrates, where the body can produce ketones within the liver and used as energy instead of sugars from foods. Celebrities such as Halle Berry and the Kardashians swear by this trending diet, boosting it to rank within the top 10 most Googled diets in 2017