About · Our Credentials
What Is a Registered Dietitian?
“Dietitian” and “nutritionist” get used as if they mean the same thing. They
don’t. A registered dietitian (RD, or RDN in the US) is a regulated, credentialed
healthcare professional — the only nutrition title in most countries that is
protected by law and tied to a licensing body you can actually check. We’re a
dietitian-led editorial team, so this page explains exactly what that credential
requires, what it lets us do, and why it matters when you’re reading our home
medical nutrition equipment guides.
The short version
A registered dietitian is a clinician trained to translate nutrition science into
safe, practical care for real people — from a child on tube feeds to an adult
managing diabetes or swallowing difficulties at home. The title is earned through a
defined sequence of accredited study, supervised clinical practice, a national exam,
and ongoing licensure. It is not a self-awarded label, a weekend certificate, or a
course you can buy online over a weekend.
That regulation is the whole point. When a dietitian signs off on guidance, there’s
an accountable professional standing behind it, governed by a code of ethics and a
board that can revoke the credential for harm. That’s the trust foundation behind
everything we publish.
The training behind the title
The exact pathway varies by country, but the structure is remarkably consistent.
To become a registered dietitian you generally complete:
-
An accredited degree in dietetics or nutrition science —
covering biochemistry, physiology, microbiology, medical nutrition therapy, food
science, and the metabolic basis of disease. Increasingly this is at master’s level. -
Supervised practice placements — hundreds to over a thousand
hours of clinical rotations in hospitals, community settings, and food-service
operations, working with real patients under qualified supervision. -
A national registration examination — a standardized exam
(for example the CDR exam in the US) that must be passed before the title can be used. -
Licensure or statutory registration — enrollment with the
governing body that holds the legal protection of the title (such as the HCPC in
the UK, or state licensure boards and the CDR in the US). -
Mandatory continuing education — documented ongoing learning
to keep registration active. The credential lapses if the professional stops keeping
their knowledge current.
In other words, “registered” is not decorative. It signals years of accredited study,
supervised clinical hours, an exam, and a living obligation to stay current and
accountable.
Credentialing and regulated scope of practice
Because the title is legally protected, registered dietitians have a defined
scope of practice — the set of activities a professional body recognizes
them as competent and authorized to perform. For dietitians, that scope is broad and
clinical. It typically includes:
- Assessing nutritional status and diagnosing nutrition-related problems
- Designing and adjusting medical nutrition therapy for specific conditions
- Prescribing and managing enteral (tube) and oral nutrition support
- Working as part of a multidisciplinary medical team in hospitals and the community
- Educating patients and caregivers on managing nutrition safely at home
Scope is also a guardrail. A responsible dietitian knows where their expertise ends
and where a referral to a physician, speech-language therapist, pharmacist, or
specialist nurse is the right call. You’ll see us do exactly that throughout the site:
we explain equipment clearly, then point you back to your own clinical team for anything
that depends on your individual diagnosis, prescription, or device settings.
Dietitian vs. nutritionist: the difference that matters
This is the question we’re asked most, so here’s the honest answer. In many places,
“nutritionist” is not a protected term. Depending on where you live,
anyone — with extensive qualifications or with none at all — may be able to
call themselves a nutritionist. There are genuinely excellent, well-qualified
nutritionists (some countries do regulate specific nutritionist registers), and we’re
not here to disparage them.
But the credential offers a different kind of certainty:
-
A registered dietitian holds a legally protected title, has met a
defined education-and-exam standard, carries a regulated clinical scope, and answers
to a registration board you can verify and complain to. -
The term “nutritionist” may or may not carry any of that, depending
on the jurisdiction and the individual. It tells you less, on its own, about training
or accountability.
The practical takeaway: when guidance touches your medical care — tube feeding,
blood-glucose management, dysphagia — the regulated credential is the one worth
checking for. You can usually confirm a dietitian’s registration directly with the
relevant board.
Why dietitian-authored equipment guidance can be trusted
Most equipment write-ups online are produced by people whose job is to sell the
equipment. Ours aren’t. We write from the clinic-side perspective: what the device
is actually for, how it fits into a real care plan, what a worried family at the
kitchen table needs to know, and what to ask your own team before you change anything.
That’s also why we follow a few firm rules — the same principles that sit behind
“experience, expertise, authoritativeness, and trustworthiness,” the qualities search
engines and, more importantly, readers look for in health content:
-
Experience & expertise. Our guides are written and reviewed by
dietitians who have worked with these conditions and this equipment in practice, not
by anonymous content mills. -
Neutral on the science. Our editorial nutrition and diet content
— FODMAP, gluten-free, sugars, plant-based eating — carries no product
pitches. It stays educational on purpose, so the science isn’t coloured by a sale. -
No hype, no invented proof. We don’t fabricate reviews, invent
providers, or overstate what a piece of equipment can do. Where evidence is limited
or your mileage will vary, we say so plainly. -
Caveated and referral-aware. We consistently point you back to your
prescribing clinician for anything individualized. General guidance is not a
substitute for your own care plan. -
Honest about sourcing. Our equipment guides may close with a genuinely
useful note on where to source the supplies we describe. We flag that clearly and keep
it separate from the clinical content — never dressed up as a clinical recommendation.
Who “we” are on this site
Dietitians Without Borders began as a working dietitian’s blog and has grown into a
dietitian-led guide to home medical nutrition therapy equipment — the bridge
between food and the devices that make eating, feeding, and monitoring possible at home.
When we say “we,” we mean a dietitian editorial team applying clinical judgment to the
questions caregivers and patients actually ask. Our tagline says it best:
dietitian-led guides to home medical nutrition equipment — clear, clinical,
and human.