From satisfying savoury dishes to indulgent treats, the meals are quick and simple to make, and rich in protein, fibre and essential nutrients. There are four weeks of menu plans - with options for intermittent fasting - plus an index by calories, and lots of advice and tips to help keep you motivated and reach your goals.

Whether you are embarking on an intensive weight-loss programme to bring your blood pressure, blood sugars and cholesterol down, or you simply want to get in better shape, physically and mentally, The Fast 800 Keto Recipe Book will inspire you to embrace a whole new way of eating.

Dr Clare Bailey Mosley and Kathryn Bruton