Board for Certification of Nutrition Specialists (BCNS), American Nutrition Association (ANA) · Current official CNGS Exam Content outline available on 2026-10-21; the outline displays no version number or effective date. Identity corroborated by the BCNS Certifications Handbook 2026–2027, identified on the official resources page as updated February 2026. Certified Nutritional Genomics Specialist (CNGS) is the credential; its examination is officially called the Certification Examination for Nutritional Genomics Specialists.

This original 20-question sample covers selected topics across the outline. It does not reproduce official exam questions or cover every tested topic.

• CNGS Exam Content
• BCNS Certifications Handbook 2026–2027
• BCNS Forms & Resources Overview
• Nutritional Genomics Training and Certification Program
• Missense Mutation
• Epigenetics
• What are the different ways a genetic condition can be inherited?
• Frameshift Mutation
• Gene Expression
• What are reduced penetrance and variable expressivity?
• Regulation of Genetic Tests
• Promoting Safe and Effective Genetic Testing in the United States — Chapter 2
• False-positive results released by direct-to-consumer genetic tests highlight the importance of clinical confirmation testing for appropriate patient care
• Informed Consent
• LCT gene
• PAH gene
• APOE gene
• MCM6 gene
• The DIETFITS Randomized Clinical Trial
• MTHFR Gene Variant and Folic Acid Facts
• MTHFR gene
• HFE gene
• Vitamin B12 — Health Professional Fact Sheet
• VDR gene
• CYP2R1 gene
• Alcohol Flush Reaction: Does Drinking Alcohol Make Your Face Red?
• The molecular basis of individual differences in phenylthiocarbamide and propylthiouracil bitterness perception
• A genetic variation in the adenosine A2A receptor gene (ADORA2A) contributes to individual sensitivity to caffeine effects on sleep
• Direct-to-consumer genetic testing for predicting sports performance and talent identification: Consensus statement
• ACTN3 genotype is associated with human elite athletic performance
• FTO genotype and weight loss: individual-participant meta-analysis of eight randomised controlled trials
• Effect of personalized nutrition on health-related behaviour change: evidence from the Food4Me European randomized controlled trial
• Special Considerations for Genomics Research
• A Genetic Variation in the Adenosine A2A Receptor Gene (ADORA2A) Contributes to Individual Sensitivity to Caffeine Effects on Sleep