prosupps dr. jekyll signature pre-workout powder, stimulant & caffeine free, intense focus, energy & pumps, (30 servings, blueberry lemonade) prosupps prosupps dr. jekyll stimulant-free signature is the versatile, thermogenic, non-stimulant pre-workout that delivers. prosupps is the first to introduce noolvl, a pump and focus combined super-compound, that is designed to power blood flow and energy for sustained workouts. along with noolvl are the energy enhancing ingredients creatine hydrochloride and beta alanine for sustained endurance plus afromomum melegueta for intense thermogenic activity. dr. jekyll stimulant-free is the evolution of pre-workout formulas driving all the important aspects of your workout by maximizing focus, muscle pumps and fullness while increasing training endurance and elevating strength/power output. additionally, we hit this pre-workout with thermogenic enhancers and adaptogens to elevate your workout and improve recovery. it’s the perfect all-around pre-workout for men and women looking to maximize their performance and focus without the jitters. note that dr. jekyll stim-free will make you sweat! and that little bit of spicy tingle at the back of your throat? that means it’s working.