Muscle Rulz PRE RULZ pre-workout supplement are: Caffeine anhydrous – a potent stimulant that provides an immediate energy boost Beta-alanine – an amino acid that can delay fatigue and improve exercise performance Creatine monohydrate – helps boost strength and power output during high-intensity exercise Other ingredients include citric acid, natural and artificial flavors, malic acid, silicon dioxide, sucralose, and acesulfame-K The PRE RULZ pre-workout is designed to enhance energy, focus, and endurance to help users train harder and longer. It is considered an extreme pre-workout supplement due to its potent formula.