When you're researching GLP-1 medications online, you expect to find honest information about what you're getting—including potential side effects and safety concerns. But according to research published in JAMA Health Forum, that's often not what happens.
The Key Findings
Researchers at Yale School of Medicine analyzed 79 websites marketing compounded GLP-1 medications or prescriptions for them. Their findings were concerning:
- Nearly half (49%) didn't include information about known adverse effects, including common issues like nausea, vomiting, abdominal pain, fainting, headache, migraine, dehydration, and rarer but serious risks like acute pancreatitis and gallstones
- 37% stated or implied that their compounded medications were FDA-approved—which they are not
- Many sites failed to mention contraindications (conditions that make the medication inappropriate for certain patients)
Why This Matters
When patients don't know about potential side effects, they can't make informed decisions about treatment. They may also be unprepared when side effects occur, leading to unnecessary emergency room visits or premature discontinuation of medication that could otherwise help them.
The FDA Approval Confusion
One of the study's most troubling findings was how often websites implied FDA approval. Some common misleading phrases include claims that pharmacies are "FDA-registered" or "known to the FDA." Patients may assume this means their medication is FDA-approved, but it doesn't.
Here's the distinction: an FDA-registered facility has submitted paperwork to the FDA, but that doesn't mean their compounded products have been reviewed for safety or effectiveness. FDA approval means the medication has undergone rigorous testing in clinical trials and been determined safe and effective for its intended use. Compounded medications skip this process entirely.
This doesn't mean compounded GLP-1s can't be effective—many patients have great results. But it does mean you're taking on different risks than with FDA-approved products, and you deserve to know that upfront.
Why Telehealth Providers Skip Safety Information
The study didn't explore providers' motivations, but the pattern is clear: sales-focused sites often minimize or omit risk information to avoid discouraging potential customers. It's easier to make a sale when you're only highlighting benefits.
This represents a fundamental conflict of interest. A legitimate medical provider's primary duty is to your health—including making sure you understand the full picture before starting treatment. A purely sales-driven operation may prioritize conversions over informed consent.
The Positive Perspective
This research is helping improve the industry. By identifying the gap, studies like this push regulators and legitimate providers to do better. Some providers are already responding by adding more comprehensive safety information. The bar is rising.
What Should Be Disclosed
A responsible GLP-1 provider should tell you about:
Common Side Effects
These occur in a significant percentage of users and you should expect to potentially experience some of them:
- Nausea (especially during the first few weeks and dose increases)
- Vomiting
- Diarrhea or constipation
- Abdominal pain
- Decreased appetite (which is also part of how the medication works)
- Headache
- Fatigue
- Injection site reactions
Less Common but Serious Risks
These are rarer but important to know about:
- Pancreatitis (inflammation of the pancreas)
- Gallbladder problems including gallstones
- Hypoglycemia (low blood sugar), especially when combined with other diabetes medications
- Kidney problems, particularly with dehydration
- Severe allergic reactions
Contraindications
You should NOT take GLP-1 medications if you have personal or family history of medullary thyroid carcinoma or Multiple Endocrine Neoplasia syndrome type 2, or if you have a history of severe allergic reactions to the medication.
FDA Status
Clear disclosure that compounded medications are not FDA-approved, meaning they haven't been evaluated by the FDA for safety, effectiveness, or quality.
How to Evaluate a Provider's Transparency
Before signing up with any GLP-1 telehealth provider, check for these elements:
Red Flags
- No mention of side effects: If a site only talks about benefits, they're not giving you the full picture
- Misleading FDA language: Claims like "FDA-registered pharmacy" without clarifying that compounds aren't FDA-approved
- "Same as brand name": Claims that compounded versions are identical to or "equivalent to" FDA-approved drugs
- No medical screening: Any provider that doesn't ask about your medical history before prescribing
Green Flags
- Clear safety disclosures: Side effects and contraindications prominently displayed
- FDA disclaimer: Explicit statement that compounded medications aren't FDA-approved
- Medical intake process: Questions about your health history, current medications, and contraindications
- Ongoing support: Access to medical providers who can help you manage side effects
- Clear cancellation policies: Transparent about what happens if you need to stop
What Primary Care Doctors Are Saying
The telehealth transparency issue connects to broader concerns from the medical community. According to a survey by Omada Health, 67% of primary care physicians worry about their patients accessing GLP-1 prescriptions through third-party telehealth providers, citing concerns about overprescribing (56%) and compromised continuity of care (50%).
Even more concerning, 61% of surveyed physicians reported that patients don't always tell them when they've obtained a GLP-1 prescription from a telehealth provider. This means their regular doctor may not know about potential medication interactions or be able to help manage side effects.
The Bottom Line
GLP-1 medications can be genuinely life-changing for people struggling with weight management. But like all medications, they come with risks that you deserve to know about before starting treatment.
A provider who hides or minimizes these risks isn't looking out for your best interests. A good provider gives you the full picture—benefits AND risks—so you can make an informed decision. That's what "informed consent" actually means in medicine.
When you're evaluating providers, don't just look at price and convenience. Look at how they communicate about safety. Transparency is a sign of a provider who takes your health seriously.
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