CSN Study Guide 2026
Everything you need to pass the CSN exam in one place: the exam format, every topic to study, real practice questions with explanations, flashcards, and full-length practice tests. Free, no sign-up needed.
CSN exam key facts
- The CISSN examination consists of 200 multiple-choice and true/false questions. Source
- Candidates are given a time limit of 80 minutes to complete the CISSN online exam. Source
- The passing score for the CISSN exam is 70.00%. Source
- The CISSN online exam costs $699 for ISSN members (fellows, professionals, and students) and $999 for non-members. Source
- Candidates may retake the CISSN exam without limits on attempts, paying the full registration fee for each attempt. Source
- The CISSN credential remains valid for only 1 year if active ISSN membership is not maintained. Source
📚 CSN Topics to Study (33)
✍️ Sample CSN Questions & Answers
1. Which dietary assessment method best captures an athlete's usual intake over several months?
An FFQ asks how often foods were eaten over a long period, so it reflects habitual intake.
2. An athlete in a sport with a high risk of disordered eating shows rapid weight loss and secretive eating. What should the sports nutritionist do?
Suspected eating disorders go beyond a nutritionist's scope and need multidisciplinary treatment.
3. For events lasting longer than about 2.5 hours, what carbohydrate intake strategy is supported by current evidence?
Glucose-fructose blends use different gut transporters, allowing intake and oxidation of up to about 90 g/h.
4. Which adaptation typically occurs after 10-14 days of heat acclimatization?
Heat acclimatization increases plasma volume, sweats earlier and more, and conserves sodium.
5. For an athlete with a bone stress injury, which nutrients are most important to assess and optimize?
Adequate energy availability, calcium, and vitamin D support bone remodeling and healing.
6. Which enzyme is considered the rate-limiting step of glycolysis?
PFK is the key regulatory enzyme of glycolysis and is stimulated by rising ADP and AMP.
🎯 Free CSN Practice Tests
📖 CSN Guides & Articles
What Practice Test Geeks adds beyond an AI chat for CSN
An AI chatbot can quiz you, but it can't reproduce the exam conditions or keep your record. Here you get:
- A fixed CSN question bank: the same test every attempt, so your score is comparable from one try to the next instead of changing with every regenerated quiz.
- Progress saved on your device: completed tests, scores and missed questions stay in My Progress, so you can retake only what you got wrong.
- A printable CSN cheat sheet you can print or save as a PDF.
- CSN flashcards built from the same question bank.
- Free CSN practice tests with the correct answer shown after each question.
How this page was made: written with AI tools and published by Nathan Beja, founder of Practice Test Geeks, who is responsible for its content. Exam facts are checked against the official sources listed below. Not reviewed by a subject-matter expert. Editorial policy
Sources & references
Exam facts on this page (fees, format, dates, passing scores) are checked against these official sources; the date is our last check. Editorial policy
- sportsnutritionsociety.org — Eligibility, renewal, retake policy, score release, score validity, test delivery, fees, exam format, passing score, test dates · verified Oct 2026