Book excerpt: From the authors of the official groundbreaking SIRTFOOD DIET, The SIRTFOOD DIET RECIPE BOOK brings you over 100 tried and tested, delicious Sirt food recipes to help you follow your plan, lose up to 7lbs in 7 days, switch on your body's fat burning powers and stay lean for life. Revolutionising the way we eat, through their scientifically researched plan for health and weight loss, nutritional medicine experts Aidan Goggins and Glen Matten show how these sirtuin-activating recipes will switch on our body's fat-burning powers to supercharge weight loss and improve energy levels. Their trial showed weight loss of 7lbs in just one week, including an increase in lean muscle. Mouth-watering and easy-to-prepare recipes include the official top 20 Sirt foods - such as kale, parsley, strawberries, buckwheat, capers, walnuts and dark chocolate. 'A non-faddy diet that offers incredible health benefits and weight loss. Aidan and Glen show how everyone can reap the benefits of the Sirtfood Diet through eating delicious food. I'm a huge fan!' Lorraine Pascale, BBC TV chef and food writer 'A revelation to my diet, introducing Sirtfoods has allowed me to attain a body composition and wellbeing previously unimaginable' David Haye, Heavyweight Champion Boxer.