NutritionRxMedical Nutrition Therapy
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Medical Obesity · Boston & New York

One of the most misunderstood diseases ever.

Medical obesity is not a willpower problem. It is metabolic dysregulation, and it is treatable. Alexis Beck was born with it, and knows what the medication does and does not do.

  • HarvardDoctoral Candidate
  • CornellUndergraduate
  • UC BerkeleyMPH
  • Mass GeneralTrained
Alexis Beck, MPH, RD, LDN
Alexis Beck, MPH, RD, LDN Twenty five years treating medical obesity
Takes one minute · No obligation

See if NutritionRx is right for you.

★★★★★  5.0 on Google

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Alexis Beck, MPH, RD, LDN — what Medical Nutrition Therapy actually is.

  • Twenty fiveyears in practice
  • Boston Globenutrition columnist
  • Mass Generaltrained
  • Harvarddoctoral candidate
  • Cornellundergraduate
  • UC BerkeleyMPH

A year from now

Food becomes uncomplicated.

You are not negotiating with yourself at nine at night. You are not thinking about it while you are supposed to be doing something else.

Real patients · Real words

People who had tried everything else.

Rated 5.0 by patients on Google

10 yearsOf trying, before it worked

I tried everything to lose weight for 10 years. I was finally successful when I met and received guidance, counsel and knowledge from Alexis Beck at NutritionRx.

S.R. · Google review

  • I tried everything to lose weight for 10 years. I was finally successful when I met and received guidance, counsel and knowledge from Alexis Beck at NutritionRx.

    S.R. · Google review

  • I am convinced Alexis’s expert coaching and support have been invaluable to my GLP-1 weight loss journey.

    M.M. · Google review

  • I’ve been working with Alexis for roughly 10 months and the results speak for themselves. My relationships with food, myself, my partner, my family and my work have ALL improved.

    B. · Google review

  • Alexis helped me change my life. Her counsel is invaluable. She is so much more than a nutritionist.

    C.W. · Google review

  • Alexis is a wonderful, caring, and dedicated professional who commits to each and every one of her clients and whole heartedly believes in their right to be comfortable and confident in their relationship with nutrition.

    P.M. · Google review

The difference

Everything a prescription isn't.

A prescription alone
Medical Nutrition Therapy
Changes your appetite
Changes appetite, metabolism, nutrition and the behavior around food
Assessment is rare
Always starts with medical history, labs and body composition
Muscle is not tracked
Muscle tracked and protected throughout
A short check-in and a refill
Sixty-minute sessions
The phase after the loss is not addressed
Stabilization, with a protocol. This is the work
You coordinate it
Alexis coordinates it, alongside your own prescriber

A GLP changes appetite. It does not teach a body what to do with less food, protect muscle, or decide what happens at the top of the dose.

Request a consultation

Before any recommendation

The Three-Phase Assessment.

1

Critical Assessment

Medical and behavioral history. Hearing the challenge of your obesity, in your words, before anything is recommended.

2

Initiate Metabolic Regulation

The metabolic and inflammatory read, with labs and body composition. This is where the actual picture appears.

3

Treatment

The synthesis, and the protocol built from it. Nutrition, metabolic work, and the behavioral piece that makes it hold.

Alexis Beck, MPH, RD, LDN

The clinician

Alexis Beck, MPH, RD, LDN

A Registered Dietitian and Licensed Dietitian Nutritionist who has spent twenty five years on metabolic regulation and the long work that follows weight loss.

She sees a deliberately small number of patients each week, because the protocol that makes it hold cannot be delivered at volume.

  • CredentialsMPH, RD, LDN
  • TrainingMass General Trained
  • DoctoralHarvard Doctoral Candidate
  • PressBoston Globe columnist
  • MemberObesity Medicine Association

How care is delivered

Boston and New York, or wherever you are.

In person or virtual

New patients are seen in person for the initial assessment when possible. Continuing care can be either, or a mix.

Sixty-minute sessions

Long enough to do clinical work rather than a check-in. Plus messaging between sessions.

Alongside your prescriber

Alexis sends clinical notes and shares labs. Your prescriber keeps prescribing. What changes is that somebody is doing the other half.

Questions

Before you reach out.

What is Medical Nutrition Therapy?

A clinical treatment delivered by a Registered Dietitian: assessment, a metabolic and nutritional protocol, and the behavioral work that makes it hold. It is the standard of care for a metabolic condition, and it is the piece most people never receive.

I am already on a GLP. Is this instead of that?

No. Your prescriber keeps prescribing. Alexis does the work around it: nutrition, metabolic regulation, protecting muscle, and the stabilization phase after the loss. Nothing here asks you to change your medication.

What does it cost?

NutritionRx is private pay only, deliberately. That model is what buys real assessment, between-session messaging and multi-year continuity, none of which fit inside a reimbursement model. Exact fees are discussed on your consultation.

How long do patients work with you?

Most stay for years rather than weeks, because that is how long sustained weight loss actually takes. A program ends on a schedule. This does not.

I have tried everything. Why would this be different?

Because most of what you tried started with a protocol instead of an assessment. Nothing is recommended here until the Three-Phase Assessment is done. You cannot treat what nobody measured.

By application

Find out what has actually been getting in the way.

Every prospective patient is reviewed personally by Alexis. If NutritionRx is the right fit, you will be told that. If it is not, you will be told that too.

Talk to Alexis Call 617.680.3295

Boston & New York · Private pay · By application

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