Cellucor C4 - Pre-Workout With NO3. Explosive WorkoutsContains Creatine Nitrate Highly explosive energy NO3 pump technology Rapid absorbtion system Nofillers or dyes Since the beginning of time, energy has been the world's most sought after commodity. In ancient mythology, Prometheus stole fire and game man his first flame. In today's world, wars are fought over energy. the supplement universe has a war of its own; countless brands employ relentless advertising and promotional campaigns to announce that their product delivers the most energy. No product has ever fully delivered on this seemingly simple promise; customer's routinely admit they stray from brand to brand, product to product, to try and find a better solutionand a product that will remain effective after the first few doses.