Become a CNS®

Become certified as an advanced personalized nutrition practitioner.

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Current CNS®

Continue learning and growing. Access your CNS resources.

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Specialty Certifications

Become an expert in specialty areas of nutrition science and practice.

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University & CE Partnerships

Collaborate with us to advanced nutrition education and practice before and after certification.

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***Due to the holidays and the large number of calls and emails regarding CNS annual fees and recertification, it is taking longer than usual for us to respond. You will not be penalized for late payments and late recertification applications.  Thank you for your patience during this very busy transition time.***


We Set Robust Standards for the Practice of Personalized Nutrition:

  • Our certifying board, the Board for Certification of Nutrition SpecialistsSM (BCNSSM), sets the standard for advanced personalized nutrition practitioners via our Certified Nutrition Specialist® (CNS®) credential.
  • We certify practitioners in specialty areas of advanced personalized nutrition.
  • We designate as Fellows those who have distinguished themselves in the area of nutrition science and research.
  • We partner with universities to instill curriculum standards that equip the next generation of nutrition professionals

Please note: CNSs are NOT required to be a paying ANA member. CNS certification and ANA membership are two separate things.

About the BCNS

The Board for Certification of Nutrition Specialists℠(BCNS℠) was established in 1993 and administers the advanced certification for personalized nutrition practitioners: Certified Nutrition Specialist® (CNS®).
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CNS Portal

Monitor your CNS status, pay your fees, update your contact information and more.

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