Chrysalin

Tested in people

It has been tested in people, but it is not an approved medicine. The studies are usually small.

Also called TP-508 / Rusalatide acetate

A short peptide copied from thrombin, tested in people for bone and wound healing.

The basics

What is it?
Chrysalin is a 23-amino-acid piece of thrombin, a blood clotting protein. It has been through human trials for fracture repair and diabetic foot ulcers.

Can a doctor prescribe this?

No. Pharmacies are not on record as being allowed to make this into a medicine.

The FDA has not approved this as a medicine.

Not FDA approved and not on the U.S. compounding list. A doctor cannot prescribe it.

Official status: Not on the 503A bulks list. Checked 2026-08-04.

Lab suppliers we list: 2

Doses used in research

Taken word for word from the studies and trials listed on this page. This is not a recommendation and not a dose for anyone to take.

No dosing information has been published in the research indexed here.