A drug targeting the melanocortin pathway is FDA-approved to enhance libido in females and may have a similar effect in males.

“but nowadays I'm reading a lot more about a really interesting peptide treatment which I think is a FDA approved prescription drug which is um relates to a um melanocyte stimulating hormone that comes out of the medial pituitary um that is used to increase sexual desire it's prescribed for women um but men are starting to take it um and it seems to have at least from what you read on the internet um a pretty profound impact on libido and on erectile frequency and persistence”