MARNYS SPORTS® PREformance Nature is a Pre-Workout formula with natural extracts of Caffeine and Choline that facilitate the metabolism of fats, providing an energy content that delays the onset of fatigue. In addition, PREformance Nature provides a set of amino acids, BCAAs and the exclusive proprietary development of BETAFOR3MAX®, which promote muscle structure. How to use: Dissolve 2 level scoops (24 g) in 250-400 ml of water and take 30 to 45 minutes before physical exercise. Contains caffeine. Not recommended for children or pregnant women.