STRENGTH. ENDURANCE. PERFORMANCE. - Lite Up is designed to amp up the voltage for your next workout. This non-stimulant pre-workout includes ingredients like Nitrosigine for a nitric oxide boost, citrulline malate and malic acid. With Lite Up, PRs are a given. CAFFEINE FREE: Powerful workouts without the caffeine jitters. Yeah, we did that. Lite Up is a non-stimulant pre-workout powder designed to give you the energy and endurance to power through your workout without the jitters from caffeine. NITRIC OXIDE BOOST - Step up your pump with Nitrosigine, a patented complex of bonded arginine silicate that promotes blood flow. This powerful and safe nitric oxide booster supports strength, endurance and energy.