The Nanosupps Amino VIBE contains all 8 essential amino acids. That means besides the well-known BCAA L-leucine, L-isoleucine and L-valine also all other essential amino acids. They supply all the amino acids that provide the building blocks for muscle building during increased muscle strain and in diets. The 105mg caffeine provides an immediate energy boost. Thus you can use the Amino VIBE as a PRE-workout or as an energy drink at work.