
Just three amino acids
Lys-Pro-Val, the last three amino acids of alpha-MSH, a hormone your body makes.









The people pictured are models, not patients.
RxLongevity
KPV by prescription. Coming soon.
40,000+ products sold · LegitScript certified
KPV is a three-amino-acid peptide, the tail end of the hormone alpha-MSH. HHS opened it to US 503A pharmacies in October 2026, by mouth or on the skin only. Our pharmacy is adding it as a single-ingredient prescription. Join the list to be first.

Breakfast at home
The people pictured are models, not patients.

Lys-Pro-Val, the last three amino acids of alpha-MSH, a hormone your body makes.

In mice, KPV in drinking water reduced colitis. In human gut cells it was taken up by the PepT1 transporter.

HHS's policy covers KPV taken by mouth or put on the skin, not injected. That is how ours will come.

Join the list and we will text and email you the day it is ready to order. Free, no payment now.
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Understand your treatment
KPV is the tail end of alpha-MSH, a hormone involved in skin color and inflammation signaling. Research has looked at it in the gut and skin. HHS covers KPV by mouth or on the skin only.
A closer look
Three amino acids from a hormone you make.
Make a more informed choice
Alpha-MSH is a 13-amino-acid hormone. KPV is its last three amino acids. HHS's policy covers KPV acetate taken by mouth or applied to the skin, never injected.

Leave your email and mobile number. We tell you the day it is ready to order.
The day our pharmacy can fill KPV as a single-ingredient prescription, you get a text and an email.
Order online, do a short intake, and a US-licensed provider decides if KPV is right for you.
A state-licensed US 503A pharmacy makes it for you by name and ships it free in plain packaging.
KPV is the tripeptide Lys-Pro-Val, the last three amino acids of alpha-MSH, a hormone your body makes. Research has looked at it in the gut and skin. In gut cells it is taken up by PepT1, a peptide transporter. Ours will be KPV acetate as the only active ingredient, taken by mouth or put on the skin, compounded by a US 503A pharmacy.
Sequence: Lys-Pro-Val (HHS Appendix B, 2026).
Alpha-MSH
a 13-amino-acid hormone your body makes
Lys-Pro-Val
its last three amino acids, KPV
PepT1
the gut transporter that took KPV into cells in a lab study
A three-amino-acid peptide, coming by mouth or on the skin.
KPV research is mostly cell and mouse work. Here is what the record shows.
3
amino acids make up KPV: lysine, proline and valine.
HHS Appendix B, 2026
In mice
KPV given in drinking water reduced chemically induced colitis.
Dalmasso et al., Gastroenterology 2008
No needles
HHS's policy covers KPV by mouth or on the skin only.
HHS 503A peptide policy, 2026
Two very different ways to get KPV
| HealthRX.com | Research-use sites | |
|---|---|---|
| Who makes it | A state-licensed US 503A pharmacy, from your prescription | Often overseas labs, sold as powder in a vial |
| Labeled for | You, by name, with your provider's directions | "Research use only. Not for human use." |
| Who checks it fits you | A US-licensed provider reviews your health history | No one |
| What is in it | KPV acetate, one ingredient | The seller's own claims |
| Questions later | Message your care team anytime | Seller support, if any |
| Price | Shown up front, full refund if not prescribed | Often less per vial, with no medical review |
Here is what happens from joining the list to your first order.
Today
Free. No payment and no intake yet.
Launch day
We text and email you the moment it is ready to order.
Then
Choose a plan, then a short online health intake for a provider to review.
Within about a week
If prescribed, the pharmacy ships it in plain packaging, with your directions on the label.
KPV is compounded by a US-licensed 503A pharmacy and is not FDA approved. FDA has not reviewed it for safety, effectiveness or quality, and human studies are small. A licensed provider reviews your health history and medicines before deciding whether to prescribe it. It is not for use during pregnancy or breastfeeding, or by anyone under 18. Report side effects to your provider, or to FDA MedWatch at 1-800-FDA-1088.
Human safety data for KPV are limited. Tell your provider about every medicine you take before starting. This is not a complete list of side effects.
No prescription needed. Dietary supplements for the daily habits around your care, sold separately from prescription treatment. Ask your provider before adding one to your routine.
Dietary supplements, not medications. These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease.

An independent US-licensed clinician reviews every request. If they decide the treatment is not right for you, you get a full refund for the medication.
Prescriptions are filled by a US-licensed pharmacy and shipped free, in discreet packaging, on every plan.
LegitScript-certified · Cert 50087439
Compounded medications are prepared by a US-licensed pharmacy and are not reviewed by the FDA for safety or effectiveness. Products are dispensed only after a licensed provider determines they are appropriate. Information here is educational and is not a substitute for medical advice.