Dedicated Nutrition Yeaah is a supplement of essential amino acids (EAAs) that provides all the amino acids the human body cannot synthesize on its own. These amino acids are critical to meet your needs from protein foods and include the well-known branched-chain amino acids (BCAA), which support muscle growth, maintenance, and recovery. With a fruit punch flavor, the powder is packaged in 400 grams, offering a pleasant option for your daily amino acid intake.