When adults follow a ketogenic diet, they tend to lose weight - about 2.5 kg on average compared to other diets, according to research combining 27 studies.

Following a ketogenic diet may lower blood sugar levels in adults, with research showing an average drop of 0.18 mmol/L compared to other diets.

Eating mostly fats and very few carbs for 3 months helps overweight people lose fat and weight, on average about 5% body fat and 3.5 kg.

Following a ketogenic (keto) diet—very low in carbs and high in fat—appears to lower the amount of fat called triglycerides in people's blood by about 0.2 units, according to research combining results from 27 different experiments.

When obese women follow a very low-carb, high-fat diet (ketogenic), they lose more belly fat and keep more muscle than when they just eat fewer calories.

Eating a keto diet based on Asian foods might help people with metabolic syndrome lose weight, lower their blood pressure, improve their liver and blood sugar, and boost their cholesterol levels over a year — better than a regular low-calorie diet.