259 Science of Nutrition Certification Exam

259 Science of Nutrition Carbohydrate metabolism, micronutrient absorption pathways, and the biochemistry underlying dietary recommendations form the core of this exam. Arriving unprepared in these foundational areas creates serious gaps. Strong chemistry knowledge—particularly organic chemistry—and familiarity with human physiology across multiple organ systems will serve you well. Brush up on research methodology too; the exam frequently references clinical studies and evidence hierarchies.