Protein for Vegans: Old Myths Die Hard
I’ve talked with three different reporters this past month, all with questions about vegetarian diets. All three asked, of course, which nutrients require special attention in vegetarian diets. And each expressed surprise that I didn’t mention protein. They also asked about soy—and whether it was true that it’s the only plant food that is a “complete protein”—ie, the only one that contains all 9 of the essential amino acids.
The answer is no. All plant foods that contain protein—which would be all grains, beans, nuts, seeds and vegetables—provide all 9 of the essential amino acids. So they are all […]