How To Tell If Your "Nutritionist" Is Legit

How To Tell If Your "Nutritionist" Is Legit
How To Tell If Your "Nutritionist" Is Legit

Whether your lunch of choice is sushi from around the corner or a Sad Desk Salad, it seems like everyone's got an opinion about it. But just because your cousin has started calling herself a "nutritionist" and "wellness consultant" on Instagram doesn't mean you should let her diss your perfectly prepped grain bowl. Here's how to find someone whose advice you can really trust.

To become an RDN, you have to receive a bachelor's degree (not necessarily in nutrition, but that helps), complete a six-to-12-month-long supervised training program (likely in a healthcare setting), and pass a national exam. You're also required to keep up with continuing education requirements to keep your registration valid.
In some states, you can also become a "certified nutritionist" or "licensed nutritionist" (CDN, CN, or LDN depending on the state) by meeting the requirements set by each individual state, which are different from those needed for the RDN designation. In New York state, for instance, you have to complete an accredited program in dietetics and nutrition as well as 800 hours of work experience. You can become a CN without first becoming an RDN. But, because most medical settings (e.g. hospitals or clinics) require the RDN title, it's not uncommon for providers to end up with both designations if their state offers the CN option.
When it comes to learning about food to prevent or help treat an illness (such as diabetes), an RDN should be your first stop. The national exam ensures that they're able to practice anywhere in the U.S., and the continuing education requirement keeps them up to date with current ideas about nutrition. But those with a CN degree are also qualified to assess your nutritional needs, help you plan your meals for the activities you're doing, and give nutritional counseling. The biggest difference between the two is the hands-on training requirement: RDNs need to log at least 1200 hours, but CNs usually require much less time.
However, in states without specific nutritionist-related laws, there's virtually no regulation of who can and can't call themselves a "nutritionist," "nutrition expert," "nutrition coach," and the like. People who simply call themselves "nutritionists" often rely on alternative medicine and practices that aren't necessarily backed by accepted science. So, although they might give you delicious recipe ideas, you don't want to rely on them for health advice. Even certified personal trainers shouldn't be giving you meal plans or in-depth nutrition advice unless they also have an RDN or CN certification.


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