30 May 2018 --- Although whey protein continues to enjoy mainstream sports nutrition popularity in the form of powders and bars, more complex branched-chain amino acids (BCAA) are making a “come back,” according to sports nutrition developer Aminolabs. The company speaks to NutritionInsight on its “next-generation” BCAA product that is said to be Europe’s first multiphase BCAA blend with a fast/slow release ratio using Smart LP bead technology.