About Xtend BCAA: XTEND, being the world’s number 1 BCAA Brand has been known for absolute recovery since 2004. This brand is NSF contents tested & certified, and it is also Informed-Choice Certified. This explains their strict standards in product development, testing, and quality. BCAA by Xtend is safe from any banned products and safe for sportspersons. The formula of this B