How long until ketosis?

Ketosis typically begins around 12 hours of fasting for most individuals, depending on prior carbohydrate intake and glycogen levels ( 32 ). A low-carb diet can help you reach ketosis faster.

Does coffee break a fast?

Black coffee does not break a fast. It has negligible calories, enhances fat oxidation, and suppresses hunger. However, adding sugar, milk, or cream can break your fast.

Does a dirty fast work?

Yes, a dirty fast might still provide some benefits, but they may be less pronounced. A dirty fast allows low-calorie items, such as cream in coffee, which can slightly disrupt processes like autophagy and fat burning. However, it can still help achieve an overall reduction in calorie intake, which can promote weight loss.

Are eggs good to break a fast?

Yes, eggs are an excellent option for breaking a fast. They are easy to digest, rich in high-quality protein, and provide essential nutrients that help stabilize your energy ( 33 ) after a fast.