What is the best diet for human?

What counts as an ounce-equivalent in the Protein Foods Group? In general, 1 ounce of meat, poultry or fish, ¼ cup cooked beans, 1 egg, 1 tablespoon of peanut butter, or ½ ounce of nuts or seeds can be considered as 1 ounce-equivalent from the Protein Foods Group.

http://thesupplementpolice.com/right-portion-of-protein-to-be-added-in-the-diet/