GLP-1 research
Understand the medications and compare what providers disclose about costs and care.
Medication and care guides
23 guides to medications, costs and choosing care, with links to prescribing information, clinical studies and other primary sources.
- First-year GLP-1 costsresearch guide
A low monthly headline does not tell you what a year of treatment will cost. Compare the same medication and service package, then separate the total you expect to spend from the amount you must pay before treatment begins.
- Cancellation and refundsresearch guide
Canceling future membership charges, stopping an upcoming medication order and requesting a refund are three different requests. Get a written answer for each one that applies to you.
- Insurance denial documentsresearch guide
The next step depends on why coverage was denied. A missing document, a formulary restriction and an excluded benefit are different problems. Start with the written decision before paying someone to submit another request.
- Savings and cash-pay eligibilityresearch guide
A manufacturer savings card and a self-pay offer can have different eligibility rules, even for the same medicine. Match the offer to your coverage and exact product before using its advertised price in your budget.
- Verify your GLP-1 pharmacyresearch guide
The website taking your payment, the clinician prescribing and the pharmacy dispensing may be different businesses. Identify each one. A recognizable brand or a reassuring badge does not tell you who will fill the prescription.
- Changing GLP-1 providersresearch guide
Before ending your current service, establish what the new practice needs, what it will charge and when it can evaluate you. Transferring your records does not guarantee that another clinician will continue the same prescription.
- Weight regain after stoppingresearch guide
Weight regain occurred after treatment withdrawal in studies of semaglutide and tirzepatide. The findings support planning follow-up and affordability before an interruption, but they do not predict exactly what will happen to one person.
- Semaglutide vs tirzepatideresearch guide
What the four FDA-approved labels say each molecule is, what each is approved to treat, and where the two differ.
- How they workresearch guide
The receptor each molecule switches on, what the labels say that does to appetite, blood sugar and the stomach, and why one dose lasts a week.
- Is Ozempic insulin?research guide
What the Ozempic label calls semaglutide, how that differs from insulin, and where insulin appears on these labels as a separate medicine.
- Zepbound vs Ozempicresearch guide
Four brand names, two molecules and two kinds of approval: which of these products are the same drug, and what each one is actually approved to do.
- Dose escalation schedulesresearch guide
The starting dose, the escalation interval and the maximum dose each label sets, and why they are not interchangeable.
- Side effect ratesresearch guide
What each label reports for nausea, vomiting, diarrhea and constipation — and the sentence every label prints above those numbers.
- Hair lossresearch guide
Which labels report hair loss, the rate against placebo where a trial measured it, and why two of them put no number on it.
- Fatigue and tirednessresearch guide
Which labels list fatigue, the rate against placebo where a trial measured it, and what each label counts as fatigue.
- Missed dose rulesresearch guide
The window each label gives for a late dose, and the minimum gap it requires when the injection day changes.
- Drug interactionsresearch guide
Insulin and sulfonylureas, oral medications, and the oral-contraceptive precaution that appears on two of these four labels and not the other two.
- Buying one onlineresearch guide
The agency's own warning signs for a telehealth GLP-1 seller, its 28-day vial rule, and what it says about drugs that arrive warm.
- Zepbound by doseresearch guide
What each Zepbound dose achieved in the trials printed in its label, what the label says about choosing a maintenance dose, and what the higher doses cost in side effects.
- Zepbound at 3 monthsresearch guide
What does the Zepbound label report about three-month weight loss and maintenance dosing?
- Injecting tirzepatideresearch guide
The injection sites, the rotation rule and the steps for the single-dose pen, the KwikPen and the vial and syringe, exactly as the FDA-approved Instructions for Use give them.
- Refrigeration and storageresearch guide
How cold each pen is kept, how many days it can spend at room temperature, and what the labels say about heat and freezing.
- Who should not take oneresearch guide
The boxed warning every one of these labels carries, the two contraindications, and which warnings appear on which product.
Pricing and disclosure findings
6 studies of published prices, pharmacy information and cancellation terms. Each identifies the providers covered. Explore the findings.
- How many sellers publish a price
What happened when the pages of every GLP-1 seller we could find were opened and read: how many published a figure at all, and how many published one that can be compared.
Counted over 588 sellers whose pages were opened.
- What drug the price is for
Whether a published GLP-1 figure says which drug it prices, and how often the number sits on a page that never names one.
Counted over 3018 published figures across 408 sellers.
- Compounded or branded
How often a seller says, beside the figure, whether the drug is compounded or the FDA-approved product — and the one case where it almost always does.
Counted over 3018 published figures across 408 sellers.
- What sellers do not publish
The pharmacy, the product class, the dose schedule and the cancellation terms: four things a reader needs before buying, and how many sellers publish each one.
Counted over 61 sellers whose figure states what it buys.
- The tirzepatide premium
What the same seller charges for tirzepatide against semaglutide — and why most sellers who sell both do not publish a pair a reader can put side by side.
Counted over 46 sellers publishing a figure for both molecules.
- What a price buys, by dose
Whether a GLP-1 price changes with the dose, and how many sellers publish a figure that states which dose it buys at all.
Counted over 61 of 117 sellers on this roster.