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It is fully possible to perform extraordinary athletic achievements and win championships well into your 30's and 40's.

Ashley Besecker is a specially trained nutrigenomics dietitian and coined the term "functional performance nutrition" as a way to describe her approach to food and supplement plans she creates based on an athlete's own biochemistry and athletic goals. No two programs look the same, just as no two athletes are the same.

Ashley Besecker registered dietitian to professional athletes in the NHL, NBA, NFL, WNBA, and more

Meet The Dietitian


Ashley Besecker is a registered dietitian nutritionist, and one of the few nutrigenomics specialists practicing in the world of professional athletics. Ashley studied at Pepperdine, Vanderbilt, and Stanford, and lectures at universities and conferences around the country about personalized nutrition and the science behind it. In practice, she analyzes an athletes DNA and blood biomarkers, and uses their own biochemistry to build out personalized plans for nutrition, performance, and recovery. 

Ashley Besecker author for Medium
Ashley Besecker featured on The Food Network
Ashley Besecker featured on NBC
Ashley Besecker featured in Thrive Global
"Working with Ashley has been life changing. It saved me more years, and I'll gain many more years. I learned so much about how my body works with the right nutrition, mindset, and lifestyle. I feel leaner, fitter, and much more energized."

Ada Hegerberg  |  Professional Footballer, Division 1 Féminine

Frequently Asked Questions

  • Can I work with you if I am not a professional athlete?
    No, and also yes. At this time Ashley only works in an official capacity with professional athletes - those that are being paid to play their sport in a major league or organization. For more information on how to work with Ashley as a non-professional athlete, please visit
  • Can I work with you if I already have a Team Dietitian?
    Yes. In fact, Ashley prefers to work in conjunction with team dietitians and other medical staff. The benefit of having Ashley as your personal dietitian is that she works for you, and you alone, and moves with you between teams if you are ever traded or choose to play for another club or organization.
  • How is my DNA analyzed?
    Ashley's specialty is in the field of nutrigenomics, a focus on how food effects the way your genes are expressed. DNA testing is done via saliva collection and analyzed using the most up to date DNA sequencing techniques in a CLIA Certified and CAP Accredited Laboratories in the United States. DNA analysis can be done anonymously.
  • Where are you located?
    Ashley is based in Seattle, WA but works with athletes all over the world. All data analytics, plans, and consulting can be done remotely.
  • Does insurance cover this?
    Depending on your insurance, you may be able to get hours of consultation time reimbursed by your insurance company through a medical receipt called a Superbill. Call the member information number on the back of your insurance card and ask about coverage for "Nutritional Counseling" performed by a "Registered Dietitian Nutritionist." You may also give them the following CPT codes for more detailed information; 97802 and 97803.
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