The best origin story in the whole series: it started life as a tanning drug, and the side effect became the product.
PT-141, real name bremelanotide, began as a melanocortin compound meant to make people bronze without the sun, and test subjects kept reporting a rather different effect. So it was spun off into a separate compound studied for sexual desire. It works in the brain, on the wanting system, not the plumbing, which is what makes it different from the little blue pill.
This might be the best reminder that some of the biggest discoveries in medicine start as complete accidents. Researchers noticed something unexpected, and an entirely new area of research was born.
Viagra started as a heart medication. What other happy-accident compound is worth a re-read?
Take it to the forum →Ninety seconds is a summary. The reference entry carries the identity, what the paper does and does not show, the dosing figures researchers actually report, and the sourcing notes.
Read the PT-141 acts on the brain entry →