Layenberger® 3K Protein Shake Chocolate-Coffee A balanced and varied diet is essential for a healthy lifestyle. The Layenberger 3K Protein Shake Chocolate Coffee boasts a protein content of over 75% and offers eight delicious flavors. Thanks to the combination of whey, casein, and soy as protein sources, the shake achieves a remarkable biological value (chemical score) of over 140. These protein sources ensure that all essential amino acids are included, making the shake ideal for a high-protein diet. The three-component protein in the shake is efficiently converted into the bodys own proteins, thus supporting a balanced diet.