BOOST High Protein Rich Chocolate Flavored Nutritional Drink is a high protein nutritional shake that provides balanced nutrition as part of your daily diet. This rich chocolate high protein drinks provide 20 grams of protein for muscle health and 27 vitamins and minerals including vitamins C & D, zinc, iron and selenium, key nutrients for immune support. Not only does this high protein shake support muscle health, it is designed to provide nutritional energy with 250 nutrient-rich calories and B-vitamins to help convert food to energy.