KPV: 12 years of use, my honest analysis

Everything you need to know about this peptide. which I have been using for over 12 years.

By Valérie Orsoni — Biohacker & Longevity Expert
Valérie Orsoni is a biohacker, author of 56 books, and founder of biohacker.fr. She has been tracking her biology through N=1 self-experimentation protocols since 1998. She is recently completed her Stanford Genetics Longevity Research certification program and is currently enrolled in the Stanford Medicine nutrition science program. She was named in the Top 50 Longevity Leaders by Life Spanning magazine and is currently the #1 on the Longevity Cup Leaderboard (chronological age -23 years).

Twelve years ago, I added KPV to my peptide rotation.

Almost nobody in the wellness world had heard of it.

There were no Instagram protocols, influencer stacks or peptide clinics promoting it.

Just a handful of researchers in Minnesota and Milan studying a tiny three-amino-acid fragment that barely anyone outside immunology cared about.

And there was me, reading every paper I could find, sourcing it from a research supplier and watching very closely what happened in my own body.

Now, KPV is suddenly having its moment. In July 2026, an FDA advisory committee narrowly voted to recommend adding it to the list of substances compounding pharmacies may legally use. Overnight, the peptide almost nobody talked about became the peptide everyone had an opinion on.

But what does KPV actually do?
Why have I kept it in my cabinet for twelve years?
And why do I consider this quiet little peptide far more interesting than many of the heavily marketed ones?

Here is my honest assessment, based on twelve years of personal experience with KPV, more than twenty years of peptide use and the research I have actually read.