What it means
These products are usually skin patches, under-the-tongue drops or gummies containing herbs, berberine, fiber or vitamins. Marketing often says they "support" or "activate" your natural GLP-1. That wording is chosen to suggest a drug effect without meeting drug rules.
No GLP-1 patch or drop is FDA-approved. Approved GLP-1 medicines are injections or specific tablets with trial data behind them. The FTC's consumer guidance says that nothing you wear or rub on your skin will cause weight loss.
Some liquid products sold as "semaglutide drops" may claim to contain the actual drug. Those are unapproved, with unknown content and dose, and the FDA has warned about unapproved GLP-1 products sold online.
If an ad shows before-and-after photos, celebrity endorsements or "doctor-approved" badges, treat it with caution.
Why it matters
Patches and drops borrow the GLP-1 name without the evidence, and some may contain undisclosed ingredients.