Nutrition guides & resources.
Plain-English, dietitian-written guides on the questions that come up most often — credentials, coverage, PCOS, low-FODMAP and MRT testing.
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- RDRegistered Dietitian
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- ★★★★★Rated on Google
- RDRegistered Dietitian
- MRTCertified practitioner
- Functional& lab testing
- CA · TX · NVVirtual care
Written & reviewed by Leila Page, RD — Registered DietitianLast updated June 2026
Each guide below is written and reviewed by a registered dietitian and pulls from well-established clinical sources. They’re educational — not a substitute for personalized care from your physician or dietitian. If a guide raises questions about your own situation, the free 15-minute discovery call is a good place to start.
Credentials, coverage & what to expect.
Before you book anyone, it helps to know what an RD actually is and how insurance typically works.
Dietitian vs nutritionist: what's the difference?
The credentials, training and licensure that separate an RD/RDN from the unregulated 'nutritionist' title — and why it matters for trust and insurance.
Read the guide →Does insurance cover a dietitian?
ACA preventive coverage, medical nutrition therapy, superbills, HSA/FSA and exactly what to ask your plan.
Read the guide →Intuitive eating & a non-diet approach.
A weight-inclusive look at making peace with food — intuitive eating, emotional eating, and why diets don't work.
Intuitive eating, explained.
What intuitive eating actually is, the 10 principles, who it's for, and whether it works — a non-diet, evidence-based guide.
Read the guide →How to stop emotional eating.
Why emotional eating happens, why willpower backfires, and a kinder, more effective way to work with it.
Read the guide →Why diets don't work (and what does).
The research on why diets fail long-term, why weight cycling backfires, and the non-diet approach that actually lasts.
Read the guide →ARFID, explained by a dietitian.
Avoidant/Restrictive Food Intake Disorder — how it differs from picky eating, the three subtypes, and how a dietitian-led approach helps.
Read the guide →PCOS, insulin & how it's now framed.
Educational guides on PCOS — what to eat in broad terms, and what the PMOS rename actually changes.
What to eat for PCOS: a dietitian's overview.
An educational look at blood-sugar-supportive eating patterns for PCOS — patterns and principles, not a prescriptive meal plan.
Read the guide →PCOS vs PMOS: what the new name means.
Why some clinicians prefer 'polycystic ovary metabolic syndrome' — and what the rename signals about insulin and metabolic health.
Read the guide →Perimenopause & midlife hormones.
Eating for the metabolic and hormonal shifts of perimenopause — energy, body composition and blood sugar, the weight-inclusive way.
The perimenopause diet, explained.
How protein, fiber and blood-sugar balance support energy, mood, sleep and long-term health as estrogen declines in perimenopause.
Read the guide →Perimenopause weight changes, explained.
Why body composition shifts in perimenopause, the hormones behind it, and a weight-inclusive way to support your health through it.
Read the guide →Perimenopause & insulin resistance.
Why insulin resistance rises as estrogen declines, the signs to watch for, and the nutrition and lifestyle changes that help most.
Read the guide →Insulin resistance, prediabetes & metabolic health.
How to eat for blood-sugar and metabolic health — from insulin resistance to prediabetes to metabolic syndrome.
The insulin resistance diet, explained.
What to eat for insulin resistance, plus the meal-order and post-meal-walk tricks that blunt blood-sugar spikes. Weight-inclusive.
Read the guide →The prediabetes diet, explained.
What your numbers mean, the foods that help lower your A1C, and the evidence that prediabetes is often reversible.
Read the guide →The metabolic syndrome diet, explained.
How one Mediterranean-style pattern targets all five metabolic-syndrome numbers — triglycerides, HDL, blood pressure, blood sugar and waist.
Read the guide →Gut health, inflammation & testing.
Anti-inflammatory eating, how low-FODMAP really works, and what MRT food-sensitivity testing can and can't tell you.
The anti-inflammatory diet, explained.
What to eat, what to limit, a sample day, and what the evidence shows — without the detox-culture nonsense. Weight-inclusive.
Read the guide →How the low-FODMAP diet works (the 3 phases).
Elimination, reintroduction and personalization — why low-FODMAP is a temporary, dietitian-led tool, not a forever diet.
Read the guide →What is MRT food-sensitivity testing?
How MRT and the LEAP protocol are used to personalize an elimination–reintroduction plan, and how sensitivities differ from allergies.
Read the guide →Food sensitivities & elimination diets.
Understanding intolerances and doing elimination the smart way — structured, time-limited, and never about cutting everything.
Elimination diets, explained.
How an elimination diet works — the elimination, reintroduction and maintenance phases, who it helps, and how to avoid over-restricting.
Read the guide →The low-histamine diet, explained.
Histamine intolerance and the low-histamine diet — how it works, high- and low-histamine foods, the DAO enzyme, and why it's short-term.
Read the guide →Food intolerance, explained.
What food intolerance is, how it differs from an allergy, the common types, and how to find your real triggers without guesswork.
Read the guide →Not sure which guide to read first?
Most people land here for one of three reasons: they're vetting whether to work with a dietitian at all, they're navigating PCOS or hormones, or they're trying to make sense of gut symptoms. Pick the lane that matches you and start there — the rest will make more sense once the foundation is set.
If insurance is the blocker, read the coverage guide first. If you've been told you have PCOS (or suspect it), the PCOS overview is the most useful entry point. If your gut runs the show, low-FODMAP and MRT testing answer the two most common questions I get.
Nutrition counseling is not a substitute for medical care. Individual results vary. Last updated June 2026.
Nutrition support for people on GLP-1s.
A four-guide hub for people prescribed Wegovy, Ozempic, Mounjaro or Zepbound — managing side effects, protecting muscle, and what to actually eat when appetite is gone. Weight-inclusive, evidence-based.
GLP-1 nutrition support (Wegovy, Ozempic, Zepbound).
A four-part hub on managing nausea, constipation, protein and what to actually eat on a GLP-1 — written for people already on the medication and the dietitians supporting them.
Open the GLP-1 hub →About these guides.
Where should I start if I'm new here?
If you're trying to choose between a dietitian and a 'nutritionist,' start with the credentials guide. If insurance is the question, start with the coverage guide. If PCOS is the reason you're here, the PCOS overview is the most useful first read.
Are these guides medical advice?
No — they're educational. They explain how nutrition works for these situations in general terms, not what you specifically should do. Personalized recommendations happen 1:1 in session.
How often are they updated?
Each guide carries a 'last updated' date. I revisit them as guidelines change (and they do — PCOS framing has shifted notably in recent years).
Can I share these with my doctor or family?
Please do. They're written in plain English on purpose so a partner, parent or referring clinician can read them in five minutes.
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Have a question these guides don't answer?
Book a free 15-minute discovery call and we'll talk through your situation.
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