Does XTEND BCAA really work for muscle recovery and performance?
                                
                                
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                                    5 min read                                
                            
                                Branched-chain amino acids (BCAAs) make up about 35-40% of the essential amino acids in the body, with XTEND BCAA providing a researched 2:1:1 ratio to aid muscle recovery and performance. This raises a key question for many athletes and fitness enthusiasts: does XTEND BCAA really work?