What is the best food for protein?

I was just interested to know what is the best food or drink to take after exercise. I mean,i know it's the usual meat,fish,eggs and milk for protein,but i wanted to know,what of it,can i take in the least amount and that has the highest density of protein. Also,is there something i should take before gym,or... show more I was just interested to know what is the best food or drink to take after exercise. I mean,i know it's the usual meat,fish,eggs and milk for protein,but i wanted to know,what of it,can i take in the least amount and that has the highest density of protein. Also,is there something i should take before gym,or during. and what do i take to get more energy before i go?
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