Not all protein is created equal. And no, this isn’t about ethics or emotion… It’s about biology. When we talk about protein, we’re really talking about amino acids. And the amino acid composition of plant and animal proteins is not the same, as well as the nutrient density. Essential amino acids make up about 45 percent of the amino acids in animal proteins. In plant proteins? That number drops to 25 to 40 percent depending on the source. Another fact - because plant proteins are bound to dieta