Athletes, bodybuilders, men, and women. Primarily formulated for combat athletes, Mr. HYDE® Nightmare will benefit athletes of varying disciplines and anyone who is looking to boost their athletic performance. †

Mr. HYDE Nightmare features a tri-source caffeine blend to give you long-lasting energy to fuel your toughest workouts. Packed with an efficacious dose of Citrulline and Beta-Alanine for peak performance and Alpha GPC + Acetyl L-Carnitine to keep you locked in.†

Mr. HYDE® Nightmare delivers the best ingredient combination for high-level performance, with rigorous independent testing for efficacy and purity. This formula focuses on what matters most for the performance athlete-- free of banned substances, zero artificial flavors & colors, no fillers, and battle-tested ingredients.†

Mr. HYDE® Nightmare is tested for banned substances and registered with the Informed Choice program.

Yes, Dr. JEKYLL Pre-Workout is suitable for athletes of all experience levels, including beginners. However, for beginners, we recommend starting with a half serving to assess tolerance before progressing to a full serving.

Enfinity is a central nervous system stimulant and caffeine's primary metabolite in the human body, contributing to the vast majority of caffeine's beneficial effects. It helps to improve short-term memory, enhances mental alertness and improves reaction time. Enfinity delivers clean energy without the jitters.†

Yes, Dr. JEKYLL Pre-Workout is formulated for both male and female athletes seeking peak performance during their workouts.

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.