nowadays "science" regarding buzzwords like recovery and performance is garbage. the market has grown too large, theres too much money to be made from the "optimization" crowd. if you look, you can find that everything shows "many performance and health benefits". studies are nonsense.
its literally protein found in food, no one can convince me that injecting an amino acid found in a cheeseburger is doing something special. amino acid tablets were a thing back in the day, now its injectable because there is less stigma surrounding injections and IVs. Now everyone wants to do some joe rogan IV and TRT and there are companies looking for any reason to upcharge clients that want to throw their money away