Faster recovery is key to better results. For over 10 years, XTEND® has been using branched-chain amino acids (BCAAs) to make the best recovery products on the planet. XTEND® PRO combines all the incredible benefits of BCAAs with ultra-pure whey protein isolate to help maximize muscle recovery, retention, and growth. With fewer than 150 calories and only a few grams of carbs per serving, XTEND® PRO is a BCAA-enhanced protein unlike anything else on the market.