The EyePromise visual performance product line, comprised of EyePromise Screen Shield™ Pro, EyePromise Vizual Edge™ Chewable, and EyePromise Vizual Edge PRO™, is NSF Certified for Sport®. The NSF Certified for Sport® program, established to meet the growing demands of athletes, coaches and all those concerned about banned substances in sports supplements, certifies that all NSF Certified for Sport® products do not contain unsafe levels of contaminants, prohibited substances and masking agents.