When in ketosis, the body begins to burn stored fats for energy, and this results in the build-up of acids, known as ketones, in your blood. A person following the keto diet aims to burn unwanted fat by actually pushing the body to rely on fat, not carbohydrates, for energy.

Do ketones help you lose weight?

Ketone supplements have been shown to decrease appetite, which may help you lose weight by eating less. In one study in 15 people of normal weight, those drinking a beverage containing ketone esters experienced 50% less hunger after an overnight fast than those drinking a sugary beverage ( 13 ).

Is it good for your body to be in ketosis?

Ketosis may be beneficial for some people, but you should ask your doctor before switching to a very low carb diet, in case it's not suitable for you. Ketosis is safe for most people. However, some people may experience side effects, including bad breath, headaches, and constipation.