PRP is one of the drug items in the game.
About
Platelet rich plasma is a regenerative therapy where the blood of the horse is spun down to separate out the platelets and white blood cells. These are then injected around the site of an injury to increase local tissue repair and reduce inflammation.
Crafting
Users in the Pharmaceutical Sciences stream can craft PRP at the Workshop. It takes approximately 12 hours (or 6 show rollovers) to craft.
Use
PRP is used to craft Recharge.