Vegetarians do not eat animal products but rather derive their protein from plant sources. which type of protein do vegetarian food sources lack?

vegitarians get there proteins from beans, Nuts, and soy, Also they dont get all the amino acids that they need.

there is not 1 highest source of protein, but there are many; meats, fish, poultry, seafood, cheese, eggs, yogurt and milk. the only non complete animal food that is beneficial is gelatin.

sorry if this did not , have a great day!