ProSupps Mr. HYDE Signature Pre-Workout Performance Energy Powder isn't just another pre-workout, it's pre-greatness. Developed to be one of the best pre-workout experiences available, our unique formula delivers hard-hitting energy to take you from warm-up through your final set. While other pre-workouts might rely only on a high amount of caffeine to deliver a short-lived burst, Mr. Hyde® Signature is formulated with 196mg of Caffeine and utilizes TeaCrine® to help provide sustained energy, performance and focus from start to finish. With the addition of Nitrosigine® for increased blood flow, Mr. Hyde® Signature will have you entering the gym with Purpose and leaving with a Pump! Designed for gym rats, athletes of any sport, or anyone seeking advanced energy, Mr. Hyde® Signature formula is the perfect Informed Choice Certified®, banned substance tested option. Take it before you train: hold on for what comes after.†