Muscle Milk Genuine Protein Shake Chocolate Muscle Milk Genuine Protein Shake Chocolate 11 fl oz Carton 4count - Muscle Milk Genuine Chocolate is an energizing protein shake that can be consumed as an on-the-go breakfast or anytime snack or to support post-workout recovery and muscle growth. It contains a combination of slow releasing and fast releasing proteins to help increase amino acid levels. These essential amino acids play a role in muscle growth. Also try adding your protein shake to coffee smoothies or even oatmeal when you re looking for a protein boost.