High-stim pre-workout with a force-focus, feel-good, stimulated energy and shirt exploding muscle pump that is more intense than any pre-workout powder you've ever tried! Potent 5 stim blend for fast-acting, long-lasting, hair raising energy, focus and power for the most intense workouts Formulated to replicate, and surpass, the amazing feel of "old-school" pres that are no longer sold, but with... 100% safe and compliant herbal ingredients THIS STUFF IS STRONG: This is not one of those B.S. products your girlfriend picked up at Rite Aid that you've been taking 2-3 scoops to feel! It's called EDGE OF INSANITY for a reason, so start with a 1/2 Scoop like it says on the tub. (Read the reviews for examples of what happens when you think we're BSing you like other products do.) Edge of Insanity uses a high-grade, top-shelf stimulant and pump matrix balanced with GABA, a naturally occuring amino acid nuerotransmitter, to achieve prolonged energy, “zen-like” focus, and the endurance and pumps that will make you never want to stop training… driving you to new personal records every time you use it! PSYCHO Endurance, Vascularity & Pumps Blend: Provides nitric oxide fueled muscle pumps with added strength, power, and endurance. The powerful combination of 3.2g Beta-Alanine, 8g citrulline malate that gives Edge of Insanity a premium pumps blend that is unparalleled to other products.Razor’s Edge Focus: 350mg caffeine, ignited with a powerful blend of Theobromine, 5mg Yohimbe Bark, and 4mg Rauwoulscine (Alpha Y) gets you up and moving like an unstoppable freight train ready to crush PRs and achieve maximum gains. Zengaba Focus Nootropic: 1,000 mg GABA provides euphoric, feel-good mood to enhance endurance and keep you focused on the task at hand during any type of intensive workout. 70mg Infinergy® Dicaffeine Malate provides a delayed stimulation to keep you feeling good as you come down and prevents the “crash” we all dread. It is also known to be less harsh on the digestive system.  HOW TO USE:To assess tolerance mix ½ scoop of Edge of Insanity with 8 oz of cold water. Once tolerance has been assessed, mix 1 scoop of Edge of Insanity with 8 oz of cold water and consume 15 to 30 minutes before exercise.Do not consume Edge of Insanity within 4 hours of bedtime. Do not take any other products that contain caffeine or any other stimulants while taking Edge of Insanity. Skin-splitting muscle pumps from 8g citrulline Thermogenic: you will sweat and burn fat!