OPTIMUM High Protein Shake Introducing the great-tasting, ready-to-drink protein shake from the World’s #1 selling sports protein powder brand!* We’ve taken everything we know about protein powder and translated it into this great tasting on the go shake. The OPTIMUM High Protein Shake is your perfect post training shake but it can be consumed at any time during the day and is best served chilled. Support your muscle growth and repair*after training with OPTIMUM so that you’re ready to go again even harder next time. Shake well and enjoy as part of a balanced diet and a healthy lifestyle. *Protein contributed to the growth and maintenance of muscle mass *Source Euromonitor International Limited; Consumer Health 2019 edition, Sports Protein Powder category, % retail value share, 2018 data.