GLP-1 injection technique: what TikTok gets right and wrong

What did @ricewashrepeat actually say?

The creator walked through a GLP-1 auto-injector demo, telling viewers to remove the gray cap, twist to unlock, press against the skin, and click the purple button. They said "that's it" twice and called it "the easiest way to do your GLP-1." For disposal, they showed replacing the cap and said you're done when you hear the click.

The video is in English with what appears to be a Vietnamese caption beginning, suggesting it may serve a bilingual audience. The creator was responding to a viewer request for "some direction" on injection technique. No specific medication brand was named, and no dose was mentioned. The overall tone was reassuring, aimed at people nervous about needles.

Does the science back this up?

The mechanical steps are mostly correct for auto-injector pens, but the simplified framing leaves out information that actually affects whether the injection works. The FDA-approved labeling for semaglutide auto-injectors (used in Ozempic and Wegovy) specifies steps that this tutorial skips entirely.

A 2022 review by Drab et al. in Diabetes Therapy found that injection technique errors, including incorrect site rotation and failure to hold the pen in place, were associated with suboptimal glycemic outcomes. Specifically, not holding the pen pressed against the skin for the full recommended duration (typically 10 seconds for most GLP-1 pens) can cause medication leakage. The video says nothing about hold time. The creator also does not mention confirming the dose window is clear, checking expiration, or storing the pen correctly before use. These aren't nitpicks. They affect whether you actually get your medication.

What did they get wrong (or right)?

Credit where it's due: the cap removal, unlock twist, and button-press sequence is directionally accurate for many GLP-1 auto-injectors. The reassurance around needle anxiety is legitimate and reflects real patient experience data. Fear of self-injection is a documented barrier to adherence (Brod et al., 2014, Patient Preference and Adherence).

But the disposal guidance is wrong in a way that matters. Saying disposal means "just by putting this back on" and hearing a click is incomplete and potentially unsafe. Used injection pens are sharps waste. The FDA and CDC both require sharps to be placed in an approved sharps container, not simply recapped. Recapping does not make a used pen safe for household trash or recycling. This is a public health issue, not a minor technicality. Beyond that, the tutorial skips site rotation entirely. Repeated injection into the same spot causes lipohypertrophy, a fatty tissue buildup that reduces drug absorption (Blanco et al., 2013, Diabetes Research and Clinical Practice).

What should you actually know?

If you are using a GLP-1 pen for the first time, a 90-second TikTok is not a substitute for the instructions that come with your specific medication. Here is what the tutorial missed that actually matters.

• Hold the pen against your skin for the full duration specified in your medication guide, usually around 10 seconds, so the full dose is delivered.
• Rotate injection sites across your abdomen, thigh, or upper arm. Do not reuse the same spot.
• Check the dose window or indicator on your specific pen before injecting to confirm it is set correctly.
• Store your pen per manufacturer guidelines, typically refrigerated before first use, then at room temperature for a limited window.
• Dispose of used pens in an FDA-cleared sharps container, not by recapping and placing in the trash. Many pharmacies offer sharps disposal programs.

The creator's instinct to normalize injection for anxious patients is good. The execution left out the parts that keep patients safe and make the medication work.