Founded 2004 · Online since 2008 Pioneering telehealth.
Available in all 50 states.

Languages

Menu

Weight loss

Hormones

Sex

EXPLORE

Login

Welcome back

or

A quick and secure way to access your account—no password needed.

Which GLP-1 Is Best? Why That Is the Wrong Question and What to Ask

Constance Tambakis-Odom, MD
Constance Tambakis-Odom, MD / Reviewed August 2024 / 6 min read

"Which GLP-1 is best?" is one of the most common questions people type into a search bar, and it has no single answer. Rankings built on study averages say little about what will suit one particular person, and they say nothing about safety for you, cost for you, or whether you will keep up with the routine. This article replaces that question with five better ones. It is educational and does not replace medical advice.

Why "best" does not work

A clinical trial reports an average across thousands of participants. Within that average, individual experiences range widely. Trials also study specific FDA-approved products under controlled conditions, which may differ from the product, dose, and circumstances that apply to you.

On top of that, the medication with the largest average effect in a study may be one you cannot take because of your medical history, cannot tolerate, or cannot afford long term. A medication only helps if it is safe for you and you can stay on the plan.

Question 1: Which options are safe for me?

This comes first. A provider will review:

  • Any personal or family history of medullary thyroid carcinoma or MEN 2
  • Past pancreatitis, gallbladder disease, or kidney problems
  • Diabetes and the medications you take for it
  • Pregnancy, plans to conceive, or breastfeeding
  • Digestive conditions such as gastroparesis
  • Everything else you take, including birth control pills

Some answers rule out the whole class. Others favor one option over another or call for closer monitoring.

Question 2: Which format will I realistically keep up with?

Options generally come as a weekly injection or a daily tablet. Consider your comfort with needles, how often you travel, whether you remember daily medication easily, and how you feel about refrigeration and supplies. Be honest with yourself here. The right format is the one you will actually use as prescribed.

Question 3: How does it fit with my other medications and plans?

A few practical points come up often:

  • Tirzepatide can make oral contraceptives less reliable around the start and each dose increase.
  • Combining a GLP-1 medication with insulin or a sulfonylurea raises the risk of low blood sugar.
  • Slower stomach emptying can affect how some oral medications are absorbed.
  • Upcoming surgery, a planned pregnancy, or a demanding travel schedule may affect timing.

Question 4: What will it cost over a year?

Think beyond the first month. Ask about the full monthly cost including visits, supplies, and shipping, how the price changes with supply length, whether your insurance covers anything, and how cancellation works. A plan you can afford for twelve months is more useful than one you abandon after three.

Question 5: What exactly am I getting, and from where?

Ask whether the product is FDA-approved or compounded, and which pharmacy prepares it. Compounded medications are made by state-licensed pharmacies for individual prescriptions. They are not FDA-approved, they are not generics, and they have not been reviewed by the FDA for safety, effectiveness, or quality.

The source matters as much as the molecule. The FDA has warned about counterfeit products and about vials sold online as "research use only." These carry real risks of contamination and incorrect dosing. Legitimate care always involves a licensed provider, a prescription, and a pharmacy you can identify.

How semaglutide and tirzepatide differ, briefly

Semaglutide acts on the GLP-1 pathway. Tirzepatide acts on both the GIP and GLP-1 pathways. Both are started at a low dose and adjusted gradually, and both share a similar set of side effects and safety precautions. Which one a provider recommends, if either, depends on your answers to the five questions above.

If the first choice does not suit you

Starting one option does not lock you in. If side effects persist, the routine does not work, or your circumstances change, a provider can adjust the dose, change the format, switch medication, or consider a program that does not use a GLP-1. Do not make these changes on your own.

What every plan has in common

Whatever is prescribed, the surrounding habits stay the same: enough protein, regular strength training, steady fluids, adequate sleep, and regular follow-up. Medication is one part of a plan, not a substitute for the rest.

A short checklist for your visit

  • My medical history and family history, written down
  • A full list of medications and supplements
  • My preference on injection or tablet, and why
  • My monthly budget
  • My plans for pregnancy, surgery, or travel in the coming year
  • The questions I still have

Working it out with a provider

Nu Image offers online evaluations with licensed providers. A provider reviews your history and may discuss semaglutide, tirzepatide, or a program without a GLP-1, or may advise against medication. The medications prescribed through Nu Image are compounded, which means they are not FDA-approved.

 

This content is for educational purposes only and is not medical advice, diagnosis, or treatment. Compounded medications are prepared by state-licensed compounding pharmacies and are not reviewed or approved by the FDA for safety, efficacy, or quality. Prescription products require an online consultation with a licensed healthcare provider, who will determine whether a prescription is appropriate.

This article is for informational purposes only and does not constitute medical advice. The information contained herein is not a substitute for and should never be relied upon for professional medical advice. Always talk to your physician about the risks and benefits of any treatment. Nu Image Medical may not offer the medications or services mentioned in this article.

Explore more expert insights on treatments and wellness topics tailored to your health goals.