Med Spa vs. Endocrinologist: The Real Problem With GLP-1s Isn't the Drug — It's How It's Being Prescribed
You've probably heard the horror stories by now. Someone lost weight fast, then lost their energy, their muscle, and their hair. Someone quit because the nausea was unbearable. Someone stopped the medication and gained everything back, and then some. And the takeaway floating around the internet is that GLP-1 medications are the problem.
They're not.
Semaglutide, tirzepatide, and the newer agents are some of the most effective tools we've ever had for treating obesity and metabolic disease. The problems people describe are real — but almost none of them are caused by the drug itself. They're caused by the way the drug is being handed out.
There's a growing gap between how these medications should be prescribed and how they are being prescribed. On one side, you have a quick online questionnaire or a walk-in med spa visit that ends with a prescription in fifteen minutes. On the other, you have an actual medical evaluation. The medication in the syringe can be identical. The outcome usually isn't.
The drive-through model
The med spa and online-script model works because it's fast, it's cheap up front, and it asks almost nothing of you. You fill out a form, maybe hop on a two-minute video call, and the medication shows up at your door. Investigations into online prescribing have repeatedly found scripts issued with little to no meaningful evaluation — sometimes to people who shouldn't be on the medication at all.
That convenience is exactly the problem. A GLP-1 is a powerful metabolic medication, not a cosmetic add-on. Prescribing one responsibly means understanding your whole medical picture, choosing the right agent for you, and staying with you as your body changes. A questionnaire can't do any of that. Here's what a real evaluation actually involves — and why each piece matters.
What a full evaluation looks like
A complete medical history. Before I prescribe anything, I need to know what else is going on. Thyroid disease, a history of pancreatitis, gallbladder issues, certain cancers, kidney function, medications that interact, whether you could become pregnant — these aren't box-checking exercises. They change whether a GLP-1 is safe for you, which one I'd choose, and how I'd start it. This is the single biggest thing the fast-track model skips, and it's the one most likely to hurt someone.
Your weight and nutrition history. Your weight has a story, and it matters. When did the changes start? Were they tied to a pregnancy, a medication, a thyroid problem, perimenopause, a period of stress? What does a typical day of eating actually look like right now? None of this is about judgment. It's about finding the drivers — because a GLP-1 addresses appetite and metabolism, but it can't fix a problem it wasn't designed for.
What's worked before, and what hasn't. If you're sitting in my office, you've almost certainly tried before. Every diet, every program, every medication you've been on tells me something useful — what your body responds to, what you can sustain, and what set you up to regain. We build on that history instead of ignoring it.
Body composition analysis. This is where the "GLP-1s make you lose muscle" fear comes from — and it's a fear worth taking seriously, because losing weight too fast does cost you muscle. But the answer isn't to avoid the medication. It's to measure. I use InBody analysis to track not just the number on the scale but what that weight is actually made of. If you're losing muscle, we know early and we adjust — the pace, the protein, the training. A med spa weighing you on a bathroom scale has no idea whether you're losing fat or losing yourself.
A review of all the options — to find the right fit. There is no single best GLP-1. Semaglutide, tirzepatide, the oral agents, the newer combinations, and in some cases medications that aren't GLP-1s at all — each has a different profile, different side effects, different strengths, and a different cost picture. The right choice depends on your health history, your other conditions, your tolerance, and your goals. Choosing well is the whole job. Defaulting everyone to the same drug is not care; it's inventory management.
Nutrition and exercise counseling. The medication quiets the appetite noise. What you do with that quiet is what determines whether the results last. This is the part almost every quick-prescribe model leaves out entirely, and it's why so many people regain. We work on protein, on strength training to protect the muscle we're tracking, and on habits you can actually keep — not a punishing plan you'll abandon in three weeks.
Close follow-up and real support. GLP-1 treatment is not "set it and forget it." Doses are titrated slowly and deliberately, because that's what makes side effects manageable and results steady. Along the way things come up — nausea, a plateau, an insurance denial, a question at 9pm about whether to skip a dose when you're sick. You need someone who knows your case and picks up. Most of the bad experiences people have with these medications trace back to being left alone with them.
The medication is only as good as the care around it
When someone tells me a GLP-1 "didn't work" or "ruined" their experience, what I almost always find is a medication given without an evaluation, without the right choice being made, and without anyone following along. Change the model and you change the story.
That's the actual difference between a med spa and an endocrinologist. Not the drug. The care.
If you've been curious about these medications — or you tried the fast way and it didn't go how you hoped — this is what a proper start looks like. At Healthy You, your first visit is in person here in Collingswood, so we can do a real evaluation, including body composition analysis. From there, most follow-up care can happen by telemedicine across New Jersey and Pennsylvania, so the support stays close even when you can't come in.
The medication can help. Done right, with the right care around it, it can genuinely change things. Let's do it right.
Dr. Alejandra Borensztein is a triple board-certified endocrinologist, obesity medicine specialist, and Menopause Society Certified Practitioner, and the founder of Healthy You Endocrinology & Weight Loss in Collingswood, NJ.
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Healthy You Endocrinology & Weight Loss | Dr. Alejandra Borensztein, MD, DABOM, MSCP
900 Haddon Ave, Suite 409, Collingswood, NJ 08108 | 856-559-7616 | healthyyouendo.com