Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Great taste, mixes easy.

Muscle Milk is by far the best testing protein shake I have ever had. The bananna shake and the mocha flavor are delicious. The mocha even has caffine for a pre or post workout boost. As for the muscle building aspect of the shake, it seems to work well. I mostly use the shake as a recovery drink, I'm not trying to get buff or anything, but i do notice that my arms to seem much firmer.