Not only does the egg contain 18 of the 20 amino acids, it contains all of the 10 essential amino acids in abundance. It has the best amino acid profile known — better than meat, milk and soy products. One large 50-gram egg provides nearly seven grams of highly digestible protein.
https://www.purinamills.com/chicken-feed/education/detail/egg-nutritional-facts#:~:text=Not only does the egg,grams of highly digestible protein.