i agree with sammyb/ryuujin/nukemarine, starting strength is the truth and is excellent for anyone wanting to get stronger.
http://startingstrength.wikia.com/wiki/S...ength_Wiki
my numbers aren't as impressive as them, and i was hesitant about benching and power cleaning but not anymore... so they lag behind the other lifts quite a bit. also i hated my gym so i wouldn't go as often, but now i have my own equipment at home.
squat: 245lb
bench: 135lb
deadlift: current 295lb, used to be 345lb
overhead press: current 100lb, used to be 115lb
power clean: 135lb
if you have the equipment and time i highly highly recommend it. linear, measurable increases in strength make you feel like you progressed a lot, and everyone notices. one of my brother's friends was like "damn your arms got huge! what do you curl?" i don't curl. =)
i don't know what your ethics are on animals; you could always buy humanely-raised stuff. if you're a pescatarian you could load up on seafood instead. if you're a vegetarian look into seitan, tofu, hemp seeds, flax seeds, nuts, and other proteins. if you're a vegan, i have no idea. good luck!