 maybe five minutes six minutes maybe um i know there are people out there that can donate blood and four minutes flat or maybe just under four minutes i'm not one of those guys to time that okay i'm i'm whatever it takes is what it takes because i don't want to um be pumping myself to you know break a record okay that's not a good idea uh you don't want to get lightheaded so just take whatever time it takes to donate a unit of blood