Nutritional information may vary depending on flavour. A delicious shake that delivers up to 36g of protein per serving, along with other ingredients specifically chosen to support your weight-loss programme. Impact Diet Whey is a whey protein powder that has been specially developed to provide a boost of protein without unnecessary carbs. We’ve also added a range of specific ingredients to support your dietary plan. This protein shake is also great for vegetarians. Impact Diet Whey is an excellent source of protein to be consumed as part of a healthy and active lifestyle during your weight loss journey. Bringing together world-class scientists, doctors, and athletes to shape innovation at Myprotein — combining cutting-edge research with real-world testing to create solutions that actually deliver, for everybody.