Why NSF Certified for Sport Matters When Choosing Supplements
NSF International is a globally recognized, independent organization that tests and certifies dietary supplements to help athletes, coaches, and consumers make informed decisions. One of its most trusted programs, NSF Certified for Sport, is designed specifically for products used by competitive and recreational athletes.
The Certified for Sport program is the only independent third-party certification recognized by major professional sports organizations, including Major League Baseball, the MLB Players Association, the NHL, and the CFL. It is also recommended by organizations such as the NFL, PGA, LPGA, CPSDA, and the Taylor Hooton Foundation.
Products that carry the NSF Certified for Sport mark have been rigorously tested to meet strict standards for quality, purity, and the absence of banned substances. This includes verification that what is listed on the label matches what is in the product, along with screening for unsafe levels of contaminants.
YOLKED Packets Are NSF Certified for Sport
YOLKED packets are NSF Certified for Sport as part of our commitment to quality and transparency. This certification provides an added layer of assurance that the product has been tested for more than 270 substances banned by major athletic organizations.
Certification also requires that YOLKED is produced in a facility that undergoes regular inspections and complies with U.S. Food and Drug Administration Good Manufacturing Practice requirements. These ongoing evaluations help ensure consistent manufacturing standards and product integrity.
With thousands of supplements on the market, many produced in facilities with varying oversight, third-party certification matters. Choosing NSF Certified for Sport products helps reduce uncertainty and supports confidence in what you are using.
When safety, verification, and transparency matter, look for the NSF Certified for Sport mark and choose supplements you can trust.
“As someone who works closely with elite athletes across various levels of performance, I’ve seen firsthand the importance of proper recovery and muscle development—and YOLKED has truly delivered on both. We’ve incorporated YOLKED into the training routines of our top athletes, and the results speak for themselves. From enhanced recovery time to noticeable gains in lean muscle, this product has helped them train harder, bounce back faster, and perform at their peak consistently. What sets YOLKED apart is the science behind it. Our athletes trust it. We trust it. And it’s now a staple in our performance protocol. For any serious athlete or training program looking for a natural edge in strength and recovery—YOLKED is the real deal.” - Nicole Gabriel, NGT, Trainer to 150+ pro athletes, 15+ All-Stars, 10+ World Series Champs, 3 MVPs, 3 Gold Gloves, 2 ROYs
YOLKED Is Trusted by Professional and Collegiate Programs
YOLKED is trusted at the highest levels of sport and has been used by a wide range of professional and collegiate programs that demand rigorous quality and compliance standards.
This includes professional teams such as the Denver Nuggets, Detroit Pistons, Cleveland Cavaliers, Washington Wizards, Los Angeles Kings, and the Philadelphia Flyers, as well as collegiate programs including Duke University Football, University of Nebraska Football, University of South Carolina Football, Boston College Athletics, Marshall University Athletics, Brown University Athletics, University of Delaware Athletics, and Western Michigan University Football.
This level of adoption reflects confidence in YOLKED’s quality, safety, and suitability for athletes competing under strict NSF Certified for Sport requirements.
Find Safe Supplements in Seconds
Download the NSF Certified for Sport? app with expanded search capabilities that allow for smart and effective decisions about which approved supplements best suit your needs.
Do You Know What’s in Your Supplements?
Thousands of facilities manufacture dietary supplements (half of which exist outside of the United States where standards may not be as stringent). Thus, consumers are at risk for ingesting untested products that contain ingredients that aren’t safe or legal. Get the assurance you need that what is shown on the label is in the package.
Look for the NSF Certified for Sport® mark and choose your supplements wisely.
Pick up YOLKED®, your NSF-certified product, HERE.