Claims › Peptides

Is PT-141 approved for libido?

Approved for one specific use

As Vyleesi, it’s approved for certain premenopausal women with a diagnosed sexual-desire disorder. That isn’t a blanket approval for any product sold as a libido booster.

16 of 16 in Every Peptide Explained in 10 Minutes (Human Studies Only)

What the human studies found

The studies (1)

Excerpt from Vyleesi label · indications and usage
Vyleesi label · indications and usage · DailyMed

Also cited

We checked the human research behind 16 peptides. The question wasn’t just “is there a study?” It was “does that study support the pitch?” For each one: who took part, what was measured, and what actually changed.

Backed by science? Bottles labeled TB-500, BPC-157 and retatrutide, with our mascot inspecting them.Watch all 16, explained: the film on YouTube · 9:42

An approval, a trial or a paper belongs to a particular substance and a particular use. None of it verifies the contents of a bottle sold online. This is an investigation of the claims, not a guide to taking them.

Sources checked October 2, 2026 · How we check · Corrections: hello@testedinhumans.com