HealthSceience. Muscle health & energy (Boost high protein drink contains 20 g protein for muscle health and 250 nutrient-rich calories with B-vitamins to help convert food to energy). Contains no fruit. Boost Nutritional Drinks help you get more out of life today and tomorrow with tailored nutrition to help meet your needs. Suitable for lactose intolerance. Intended for adults unless otherwise directed by a healthcare professional.