Make your training hit harder than ever with the revamped C4 Ultimate – tailored for workout warriors who demand nothing but the best. Our new Tri-Stim formula packs a potent punch of 300mg of Caffeine, TeaCrine®, and Dynamine™, for the ultimate high-stim energy experience that makes your old PR feel like your new warmup weight. Next up, PeptiPump®, an AI-powered designer peptide exclusive to C4, boosts performance while Tyrosine and Huperzine A keep you in the zone for a strong mind-muscle connection. Leave no reps in the tank with enhanced muscular endurance from CarnoSyn® Beta-Alanine*, BetaPower®, and the patented Velox® Performance Blend for hard-hitting pumps and enhanced performance. Experience the pinnacle of pumps, energy, and focus with the newly enhanced C4 Ultimate - backed by the 20-year legacy of C4's innovation in sports nutrition.* 

^Studies have shown benefits of CarnoSyn® Beta-Alanine to be correlated with cumulative use.  

Key Features:

• TRI-STIM ENERGY: Experience unstoppable energy with our tri-stim blend of 300mg Caffeine + TeaCrine® + Dynamine™.* 
• HARD HITTING PUMPS: Made with VELOX®: a patented mix of L-Arginine + L-Citrulline for seriously satisfying pumps & performance.* 
• MUSCULAR ENDURANCE^: Smash through plateaus and keep hitting harder with enhanced muscular endurance from CarnoSyn® Beta-Alanine + BetaPower®.* 
• ENHANCED MENTAL FOCUS: Get in the zone for a strong mind-to-muscle connection with Tyrosine + Huperzine A + Caffeine.* 
• AI-POWERED PEPTIDES: PeptiPump® is an AI-powered designer peptide exclusively found in C4.* 
• C4: Backed by 20 years of sports nutrition expertise, we’ve raised the bar with an innovative selection of supplements.  

^Studies have shown benefits of CarnoSyn® Beta-Alanine to be correlated with cumulative use.  

Ingredients:

• 300mg Caffeine: Ultimate energy + enhanced focus.*
• Dynamine™: Compliments Caffeine to help support increased energy. *
• TeaCrine®: Supports increased energy, mood, and focus when in combination with Caffeine.*
• Huperzine A: In conjunction with Caffeine, supports enhanced focus.*
• Tyrosine: Supports cognitive function under physical stress.*
• Velox® Performance Blend: A patented combination of L-Citrulline and L-Arginine designed to support performance, pump, and recovery.*
• CarnoSyn® Beta-Alanine*: Clinically studied ingredient that helps support muscular endurance and combat muscular fatigue.*
• BetaPower®: Clinically studied ingredient naturally derived form of betaine, from beets, that helps maintain muscle cell hydration.*
• Creatine Nitrate: Supports increased pump and training performance.*
• PeptiPump® Bioactive Lentil Peptides: Used in combination with VELOX® Performance Blend and Creatine Nitrate to support increased pump and training performance.*

^Studies have shown benefits of CarnoSyn® Beta-Alanine to be correlated with cumulative use.