CNSC Domain 1: Nutrition Assessment (31%) - Complete Study Guide 2026
Nutrition Assessment is the foundation domain of the CNSC exam, accounting for 31% of the 250-question, four-hour test administered through Prometric.
CNSC Domain Deep Dives
Domain Deep Dives for the Certified Nutrition Support Clinician (CNSC) exam - 4 in-depth guides to help you prepare with confidence. Browse all study resources or jump straight into a guide below.
CNSC Domain 2: Clinical Management (57%) - Complete Study Guide 2026
If you only had time to study one domain, the National Board of Nutrition Support Certification (NBNSC) blueprint makes the choice obvious.
CNSC Domain 3: Process Management (5%) - Complete Study Guide 2026
Of the four content areas on the Certified Nutrition Support Clinician exam, Process Management is the smallest by far, accounting for just 5% of the...
CNSC Domain 4: Professional Practice (7%) - Complete Study Guide 2026
Domain 4: Professional Practice is the smallest content area on the CNSC exam, accounting for just 7% of the total exam blueprint published by the...
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