and Certified

Make a Difference Today!
Become a Certified Nutrition Support Clinician® (CNSC®).

Apply Now
  • announcement

    Volunteer with the NBNSC!

    The NBNSC is currently accepting applications for several open positions on the NBNSC Board of Directors and the Certified Nutrition Support Clinician® (CNSC®) Exam Committee.

    Learn More
  • announcement

    Explore Today!

    The NBNSC has launched a new and improved website for easier access of information. For any additional questions or feedback, please reach out to the NBNSC!


    Contact Us
  • announcement

    Stay Connected with the NBNSC!

    Connecting with the NBNSC Facebook page can be a great way to interact with fellow CNSC's and receive consistent updates.

    Follow Today

exam content

CNSC Exam Overview

The Certification Examination for Nutrition Support Clinicians is a computer-based examination composed of a maximum of 250 multiple-choice, objective questions with a total allowed testing time of four (4) hours.

The content for the examination is described in the Content Outline included in the Candidate Handbook. The questions for the examination are obtained from individuals with expertise in specialized nutrition support and are reviewed for construction, accuracy, and appropriateness by NBNSC. The NBNSC, with the advice of the Professional Testing Corporation (PTC), prepares the examination. The CNSC® exam is a US-based exam and may relate to practice in the US.

The Certification Examination for Nutrition Support Clinicians will be weighted in approximately the following manner:
  • 32%
    Nutrition Assessment
  • 55%
    Clinical Management
  • 3%
    Process Management
  • 10%
    Professional Practice

application process

Prepare to Take the CNSC Exam

To apply for the exam, submit an application with the appropriate fee to the Professional Testing Corporation (PTC), NBNSC's testing partner. 

The exam policies and content outline are included in the candidate handbook. To access policies and the content outline, download the candidate handbook.

If you will require a special testing location, please refer to the PTC homepage for details.

All requests for receipt of payment for the CNSC exam should be addressed to the Professional Testing Corporation (PTC) at (212) 356-0660 or the PTC Contact Page.

purchase a lapel pin

Violet & White Lapel Pins are available for purchase at any time. Purchase a lapel pin for yourself or a colleague!

Purchase a Lapel Pin Now