NSF Certified for Sport® is a title that Extreme Edge wears proudly. This seal is sports nutrition’s highest assurance of quality, purity, and safety. No public health and safety organization commands greater respect from the world’s major professional and amateur sports authorities – including the National Football League, Major League Baseball, and National College Athletic Association.

Supplements like Extreme Edge bearing the NSF Certified for Sport seal have undergone rigorous testing to guarantee that they are free of more than 165 banned substances. Their formulas and labels have withstood extensive toxicological reviews. And, they have also been screened for heavy metals, pesticides, dioxins, and other potentially harmful contaminants.

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