All that protein and extra amino acids are not necessary. In fact all you will be doing if taking protein right before pe is slowing down you blood flow to anywhere but your stomach. The amount of protein needed is really nothing more than what you would need after a good punch to the face to repair a black eye. That is basically covered by free form protein that the body uses to repair the millions of tears and sprains you get everyday. Think about it like a slow stroll in a wheelchair you’re mainly your arms, forearms, chest, back, and for those extreme guys abs and jaw muscles to grit your teeth. You wouldn’t need a protein shake everytime you took a lap around the block would you?
There is good use for your stack though, but it’s going to need proper timing to be effective. You can optimize early morning testosterone levels and get your pe in, and hell even burn off a little belly fat if you combine bcaas and glutamine on an empty stomach immediately when you wake up. It may take a bit of practice to get the arousal level needed to pe early inthe morning but I find this frees up my mind and time for more efficient work in the day because my thoughts aren’t preocupied at times with sex, I’m like an autistic sevant.
The penis is and is not a muscle, but it does benefit from some of the same hormones and messengers as Skeletal Muscle. Chief of which is testosterone, there’s also NO2 released from SM, hgh, pde1, and many more I couldn’t tell you unless I was a doctor. In fact I get many of my theories about pe from some of the same chemical processes shared by bodybuilding. This was where I first heard about pde2 and inflammation, time limits of performing pe and the effect on testosterone, and adrenaline and pe.
The only advice I can give you for pe and bodybuilding which I was heavy before I crashed, is to space out pe 6 hours or so from bodybuilding. It has something to do with adrenaline but I’m not sure what I am sure of is that six hours of Ed following leg day sucks. You will also benefit from pe on a slightly fasted state because it takes about two hours for you to get a high eq after eating any amount of fat over about 10-20 grams. I can actually find that study but it involved pigs and Viagra. Finally, ice you give it a try and I promise you will feel less sore later in the day.