100% Pure Pharmaceutical Grade Creatine. Nano-micronized for the highest solubility and uptake. Rigorously tested by athletes around the world since 1996, PVL 100% Creatine helps deliver power, strength, and speed. The most scientifically proven supplement ever made, creatine is a staple in every athletes' supplement arsenal. PVL Creatine is tested to USP pharmaceutical standards and Informed Choice certified, so it's been tested for banned substances.