Yeah they did. See section 0.
You'd *hope* that a club is smart enough to verify everything they are injecting into their players is approved for human theraputic use.
And, while we're here ... GRAS dont count, and if you inject it, GRAS definitely dont count, because GRAS is for food, and you dont inject food.
This is particularly pertinent when it comes to "peptides" as they are broken down in the gut and so taking them orally is about as useful as eating a steak. Injecting them subcutaneously is a different matter entirely.