JNX Sports. Zero CAFF. The Curse! Stim-Free Pump. Made from high quality, premium ingredients – this is the non-stim preworkout you’ve been looking for. Complete with Citrulline Malate 2:1, Betaine Anhydrous, Beta-Alanine, Taurine, Alpha GPC 50%, & L-Theanine, The Curse!