NSF Certified for Sport® is a rigorous testing and certification program designed to help athletes and active individuals choose supplements with confidence. Products carrying this certification are independently tested to ensure they are free from banned substances and accurately labeled for ingredient identity and dosage. The program meets the strict standards required by professional sports organizations, collegiate athletics, and military programs. Certification also verifies that products are manufactured in facilities that follow Good Manufacturing Practices (GMP). NSF Certified for Sport® helps protect athletes from contamination risks while supporting safe, informed performance nutrition choices.