The Fast 800 is a personalized trainer and nutritionist designed to support long-term weight loss and better health. Developed by Dr. Michael Mosley and validated by healthcare advisors, it has helped nearly 100,000 members achieve success with its easy-to-follow program. The app offers personalized plans based on science-backed methods, focusing on intermittent fasting and the renowned Mediterranean-style diet.

With The Fast 800, users gain access to 18 nutritionally balanced meal plans, including options for keto, vegetarian, and 5:2 diets, along with a library of over 700 delicious recipes. The app also provides daily guided workouts, ranging from low-impact to advanced exercises, resistance and HIIT training guides, Pilates, yoga, and mindfulness resources for a holistic health approach.