Pure 100% whey protein concentrate, from an Australian supplier I doubt anyone here has heard of, lol. It's cheap, it "works" (duh), and there's no chemical (or other) crap in it.
6'2", ~100kg (~220lbs). 40yo, training (with a few breaks) since my late 30s.
Squat 160kg (352.7lbs), Bench 112.5kg (248lbs), Deadlift 220kg (485lbs), Strict Press 75kg (165.3lbs)
My training log