NSF Certified for Sport®

Products rigorously tested for quality and safety, trusted by athletes to provide foundational nutrition and support peak performance.*

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This globally recognized certification ensures that dietary and sports nutrition supplements meet the highest standards of safety, quality, and transparency. Products that hold this certification undergo rigorous testing to verify that they do not contain unsafe contaminant levels, substances prohibited by major athletic organizations or masking agents, and that the label is accurate. This NSF certified for sport recognition is trusted by athletes, coaches, and sports organizations as a guarantee for safe, clean sports supplements.

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In addition to completing a good manufacturing practices (GMP) annual audit, these formulas must meet three additional standards:

  • Have a toxicological review of ingredients and verify that formulas meet the claims and contents of their labels.
  • Finished formulas are tested for potentially harmful levels of contaminants, such as heavy metals, pesticides, and more.
  • The finished formulas are screened for more than 290 athletic banned substances.
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Helps ensure that athletes, dietitians, coaches, and consumers receive products that adhere to exceptional quality and purity standards. According to NSF, it is the only independent third-party tested supplements certification program recognized by the United States Anti-Doping Agency (USADA), Major League Baseball, the National Hockey League, and the Canadian Football League. Products with NSF-certified supplement designation are recommended by the NFL, NBA, PGA, LPGA, NASCAR, Collegiate and Professional Sports Dietitians Association, Canadian Centre for Ethics in Sport, Institute of National Anti-Doping Organisations, Ironman, Taylor Hooton Foundation, and many other organizations that seek to mitigate the risks of contaminated dietary supplements.

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Cyclist on the road
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Runner about to start race

Pro-grade supplements you can trust

Introducing

Athletix by XYMOGEN: A bold, new performance suite of formulas; performance-verified and healthcare professional-approved

Get Stronger. Go Farther. Stay Fueled.*

Trusted by Pros, Designed for YOU.

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XYMOGEN's Athletix Performance Suite offers the scientifically backed support you need to fuel recovery, boost energy, and perform at your peak—whether you’re training professionally or optimizing your personal fitness.*
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Crafted with evidence-based ingredients to support energy, endurance, recovery, and overall performance—Athletix formulas are built for both everyday fitness enthusiasts and high-performance athletes who demand clean, powerful support for every workout.*
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Athletix is developed by healthcare professionals and backed by science. Every formula is carefully designed for efficacy, safety, and results. From gym-goers to elite competitors, Athletix supports performance without the unnecessary fillers, sugars, or additives. It’s clean, efficient, and optimized for on-the-go lifestyles.*
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Explore Athletix

Rigorous Testing Standards

Products are tested for more than 280 substances that are banned by major sports organizations.

GMP Compliance

Manufacturing facilities must be GMP certified and audited annually or biannually by the NSF.

Major League Recognition

Recommended by pro leagues, including the MLB, NFL, NBA, NASCAR, PGA, USADA, and more.
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Elevate your sports performance

Professional, semiprofessional, weekend warrior, or avid enthusiast, your “label” of athlete doesn’t determine your “label” of supplement. NSF Certified for Sport nutritional supplements are designed not only to elevate your performance and support peak activity levels but also provide more comprehensive holistic health support. Our clean sports supplement line includes formulations you can choose from that help your muscles recover and strengthen, elevate your energy levels, or support heart health, mental functioning, and cognitive performance.

So, whether you’re training for an Ironman or a 5K, your body deserves clean supplements with pure ingredients. Choose the sport supplements trusted by healthcare professionals and athletes alike. When you want to reach your training goals, reach for XYMOGEN.

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