CNS Domain 1: Principles of Nutrition (13%) - Complete Study Guide 2026
Domain 1, Principles of Nutrition, makes up 13% of the Certified Nutrition Specialist examination - roughly 26 of the 200 single-answer multiple-choice...
CNS Domain Deep Dives
Domain Deep Dives for the Certified Nutrition Specialist (CNS) exam - 4 in-depth guides to help you prepare with confidence. Browse all study resources or jump straight into a guide below.
CNS Domain 2: Nutritional Biochemistry (12%) - Complete Study Guide 2026
Nutritional Biochemistry makes up 12% of the CNS exam blueprint - the 2024-2028 content outline used by the Board for Certification of Nutrition...
CNS Domain 3: Nutrients & Human Health (13%) - Complete Study Guide 2026
Domain 3, Nutrients & Human Health, accounts for 13% of the 200 single-answer multiple-choice questions on the Certified Nutrition Specialist exam.
CNS Domain 4: Nutrition Assessment (13%) - Complete Study Guide 2026
Nutrition Assessment sits at 13% of the CNS exam blueprint, tying it with Domain 1 (Principles of Nutrition) and Domain 3 (Nutrients & Human...
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