All RDs Are Nutritionists - But Not All Nutritionists Are RDs

Nutritionist. Food Coach. How Good Is Their Diet Advice?

Anyone can claim to be a "nutritionist" or "food coach."
So here's what you should look for

By Katherine Hobson
Posted on US News & World Report: February 5, 2010

If you feel the need for professional help with your eating habits or diet, you may assume a nutritionist is the person to talk to. As it turns out, that's not a particularly specific or useful term—a point driven home by recent advice published in a magazine from a "nutritionist" who claimed weight loss is aided by eating carbs and protein at separate meals, a notion not supported by science.

By no means is everyone calling herself a nutritionist (or a nutritional consultant, food coach, or weight-loss specialist) dispensing hogwash. But for consumers attempting to make an informed choice, the titles are meaningless; they don't capture the possessor's education, experience, or credentials. And those are all important when it comes to seeking eating advice, given the proliferation of fad diets and quick weight-loss schemes. “I can’t think of a field that has more quackery than nutrition,” says Lisa Sasson, a clinical associate professor of nutrition and food studies at New York University.

One specific title to look for: registered dietitian. In order to call himself an R.D., a person must have an undergraduate degree in nutrition or dietetics—or the equivalent in coursework—from an accredited institution, says Dee Sandquist, an R.D. and spokesperson for the American Dietetic Association, the professional organization that credentials R.D.'s (through the Commission on Dietetic Registration). On top of that, R.D.'s have to complete a yearlong, supervised internship and pass a national exam. And they must get credits in continuing education on an ongoing basis. Anyone calling herself simply a dietitian is also legally supposed to be an R.D.

The American College of Nutrition also issues C.N.S. (certified nutrition specialist) credentials for people with advanced degrees—master's, doctorate, M.D.—in nutrition or related areas. They, too, have to sit for an exam and also earn continuing education credits, says Madelyn Fernstrom, director of the nutrition and weight management program at the University of Pittsburgh Medical Center and author of The Real You Diet. Either an R.D. or C.N.S. designation means the holder has relevant education and experience, has passed an exam, and will make evidence-based recommendations, says Fernstrom.

I saw Fernstrom identified as a "board-certified nutritionist," referring to her C.N.S. certification. (She has a Ph.D. from MIT.) But the term "nutritionist" alone is meaningless. "It's not a bad thing," says Fernstrom. "But it's like saying you're a cook—you could be working in Denny's or at a five-star restaurant." So ask: What's the nutritionist's educational background? Does she have an R.D. or a C.N.S.? What experience does she have? Has she treated patients like you before? Is her practice grounded in scientific evidence? "You don't have to discount someone who has some other certification, but do your homework," Fernstrom says. "It's just like reading labels."

Making matters even more confusing is that most states have some kind of licensing, registration, or certification system in place but the systems vary in rigor. Some won't allow anyone to practice without meeting certain requirements, others allow qualified persons to use the titles "dietitian" or "nutritionist" but let others practice under different job titles, and others simply require people, regardless of credentials, to register with the state. (Here are the laws, state by state.) To be certain you're getting someone who has met national industry standards, look for an R.D. or C.N.S. credential.

If you have specific needs—say, you're an athlete who wants to know how to recover from races, are a newly diagnosed diabetic seeking help in planning meals, or are seeking help for your overweight child—be even more pointed in your questioning. Ask what specialized education or experience the person has. The ADA, for example, has additional credentials for R.D.'s who want to focus on kidney disease or cancer patients, children, the elderly, or athletes. The "Ask the Dietitian" website, run by Joanne Larsen, a registered dietitian, has some additional tips for vetting anyone offering nutrition advice. Among them: Question eating plans that require the purchase of certain supplements, avoid diets that eliminate entire food groups or prescribe "magic" foods that must be eaten daily, and ask for research—not testimonials—to substantiate claims.

One title that's grown in popularity is "coach." People seeking guidance or help in their career, for example, may hire a business, life, or personal coach. There also are people who call themselves wellness, weight-loss, food, or health coaches. Rather than calculating how many grams of protein or carbohydrate someone should eat or tracking a client's weight, they're more likely to help a customer define his or her goals and needs and figure out how to meet them. Denise Holz, a weight-loss coach in Seattle, says she helps her clients—both in person and over the phone—to eat mindfully, teaching them to be present, slow down, and focus on taste while they eat. And she helps them figure out what's really causing the bad eating habits they want to change. Doing that, she says, helps them address the underlying issues and learn to eat in accordance with their true hunger and taste. "They approach food in a whole new way," Holz says. "They don't have to sneak, don't have to feel bad about themselves."

If coaching rather than (or in combination with) nutritional advice sounds like what you're after, be aware that, like "nutritionist," anyone can call himself a "coach," says Sasson. There are some certification bodies, including the International Coach Federation. And a company called Wellcoaches Corp., in partnership with the American College of Sports Medicine, now trains and certifies healthcare professionals in wellness coaching. Its training, says Margaret Moore, the company's founder, chairman, and CEO, is "based on theories that have evidence behind them" about things like how to motivate people. Until there's some kind of national credential (similar to an R.D.), ask prospective coaches about their education, training, and experience, says Moore. "They should have a background in what they're coaching and should be able to talk the language of what makes people change," she says. "Ask about their track record and talk to current or former clients. And find someone who fits with you—if your personalities don't jibe, it's not going to work." Sort of like finding the perfect diet.

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When I am asked "what is the difference between a Registered Dietitian and a Nutritionist", I always ask "Who makes the decisions about food & meals in your home?". That would be your personal nutritionist. As an RD I'm uniquely trained in medical nutrition therapy for a wide variety of health conditions. And have further specialized to deal with diabetes, pediatrics and many GI disorders. Another important skill is the ability to interpret and explain the research results and real meaning behind all the headlines announcing some nutrition or weight loss breakthrough.

I'm sorry there are NO magic bullets. There are NO "one diet fits all". There are NO shortcuts if you want good health. If it sounds too good to be true. If it makes amazing promises. If it claims to be a secret that the medical professionals don't want you to know. It's going to be a waste of your time & money (and possibly even dangerous). Please consult a licensed/certified health care professional. Ask to see his/her credentials & where they went to school/did their internship. Shop around to find someone who can help you succeed.