Yes, you can take whey protein and branched-chain amino acids (BCAAs) together. In fact, many people take both whey protein and BCAA supplements as part of their workout or nutrition routine.
Whey protein is a complete protein source that contains all of the essential amino acids, including BCAAs. BCAA supplements provide a concentrated source of the three essential amino acids -- leucine, isoleucine, and valine -- which are important for muscle building and repair.
Taking both whey protein and BCAA supplements together can provide additional benefits for those looking to build and maintain muscle mass. However, it is important to note that taking too much of either supplement can have negative effects on health and it is always best to consult with a healthcare professional or registered dietitian for personalized advice and guidance.