While all amino acids are important, BCAA's are now viewed as being perhaps the most important for muscle and whole-body protein synthesis. BCAA or branched chain amino acid supplements started to become popular in the early 2000's based on then-recent research that identified these three key amino acids - leucine, valine and isoleucine - as being key to protein synthesis and muscle growth. Not only are they important for muscle growth, BCAAs also help to inhibit the breakdown of muscle tissue. It's no wonder BCAA supplements like Optimum Nutrition's bestselling BCAA 5000 Powder are now core components in the nutritional regimen of so many athletes who depend on the strength and integrity of their muscles.

You don't have to be an elite athlete or world-class competitive lifter to take advantage of BCAAs either, anyone working out to build or tone muscle will get there sooner by making sure their body has plenty of BCAAs to go around. Optimum Nutrition's BCAA 5000 powder prepares the pharmaceutically pure BCAAs in a way which makes them easily dissolvable, so you can use a spoon or blender for best results and minimal waste.

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