What Is CNS Certification? The Clinical Nutritionist Credential
Updated April 2026 · Reviewed by the Online Nutrition Planet editorial team If you've been digging into nutrition credentials, the CNS keeps coming up as "the
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RD vs RDN vs Nutritionist: The Difference, Clearly
Updated April 2026 · Reviewed by the Online Nutrition Planet editorial team You're looking at nutrition job postings and you keep seeing three titles: RD, RDN, and
What Is a Nutritionist? The Title Confusion, Explained
Updated April 2026 · Reviewed by the Online Nutrition Planet editorial team In most US states, the word "nutritionist" carries almost no legal weight. Anyone — from a
What Is a Registered Dietitian? The Complete 2026 Guide
Updated April 2026 · Reviewed by the Online Nutrition Planet editorial team The Registered Dietitian (RD) is the only nutrition credential recognized by Medicare, most state licensure boards, and