Complex sentence: Proteins derived from plant foods (legumes, grains, and vegetables) tend to be limited in essential also obtain the highest possible PDCAAS score of 1.0 are certain dairy products, egg whites, and soy protein isolate.
Split into simpler sentences: Proteins derived from plant foods (legumes, grains, and vegetables) tend to be limited in essential amino acids. Complete protein foods that also obtain the highest possible PDCAAS score of 1.0 are certain dairy products, egg whites, and soy protein isolate.