The Skinny NUTRiBULLET 5:2 Diet Smoothies Recipe Book Delicious & Nutritious Smoothies Under 100, 200 & 300 Calories. Perfect For Your 5:2 Diet Fast Days. Burn Fat, Lose Weight and Feel Great! This collection of delicious nutrient-packed Nutribullet smoothies & juices has been specially created to compliment your 5:2 fast day efforts and help you lose weight fast. Each calorie counted smoothie falls below 100, 200 or 300 calories making it easy for you to monitor your daily intake effectively and take control of your diet. There has never been a better time to introduce health-boosting, weight reducing, wellbeing smoothies to your life. So what are you waiting for? Start today with the diet that has changed millions of people's lives around the world and let your Nutribullet do all the hard work.