Mr. Hyde Signature is a premium stimulant-containing pre-workout blend designed to provide energy, focus, and hydration support for your workouts.

Mr. HYDE® Signature was formulated for performance athletes, coaches, trainers, and fitness enthusiasts of any level, looking to level up their training performance with a pre-workout that is effective and banned substance tested.†

Mr. Hyde Signature boosts energy levels, enhances focus, supports endurance, improves blood flow, and maintains electrolyte balance for optimal hydration.†

Mr. HYDE® Signature is a Banned Substance Tested pre-workout, featuring a versatile stimulant matrix that allows the flexibility of single or double scooping based on your energy needs and tolerance. With the BEST price-to-quality ratio, this fully disclosed formula delivers more energy and power per scoop than the leading competitors, with no fillers.†

Dr. Jekyll® Signature is designed to push you through the toughest training sessions, without any stimulants. Perfect for those who train at night, or are simply not a fan of caffeine.†

Dr. Jekyll® Signature is the only all-in-one stimulant-free pre-workout that addresses all key functions that support exercise performance, cognitive function, enhanced strength, improved endurance, blood flow, thermogenesis, and adaptogenesis.†

Both Mr. Hyde® Signature and Dr. Jekyll® Signature were created to be the ultimate pre-workout experience, designed to maximize training capacity and performance. So what are the key differences? Mr. Hyde® Signature was designed for those who need that intense energy and focus boost and features a stimulant blend. Dr. Jekyll® Signature, on the other hand, was designed with a stimulant-free approach, emphasizing enhanced pumps and training output. Dr. Jekyll® Signature includes a cognitive drive matrix for increased training intensity and focus-- without stimulants. Both feature the power of Nitrosigine® for increased and sustained blood flow; however, Dr. Jekyll® Signature includes an even more powerful focal agent in nooLVL™.†

Both Dr. JEKYLL® and Mr. HYDE® Signature proudly carry the Informed-Choice certification badge. Informed-Choice® is a globally recognized third-party quality assurance program for nutritional supplements. Products that carry the Informed-Choice® logo undergo rigorous routine testing and manufacturing audits and have been tested for more than 220 banned substances prohibited in sports by LGC’s world-class anti-doping labs. Athletes and fitness advocates can trust ProSupps® Mr. HYDE®Signature knowing that our products are not only effective but certified for us in most sports. Visit www.informed-choice.org for more information or consult with your athletic association.

ProSupps' dedication to quality and integrity means that we never cut corners and we always put your health and performance FIRST. ProSupps products contain zero fillers, zero banned substances and zero FD&C dyes. Every ProSupps product goes through rigorous third-party testing for purity, efficacy and transparency. EVERY BATCH. EVERY TIME.