Pulse is a 100% natural pre-workout drink with clinically effective doses of 6 scientifically proven ingredients for more energy, focus, and strength without the jitters, upset stomach, or post-workout crash. No forms or return necessary. So order now, try Pulse risk free, and see ...Pulse is a 100% natural pre-workout drink with clinically effective doses of 6 scientifically proven ingredients for more energy, focus, and strength without the jitters, upset stomach, or post-workout crash.