30 years ago it would have been pseudo-science, but as all branches of academic research come back to roost, more and more scientists have to do research, or re-search, in other words, search again in the new, modern, upgraded library of available new information that will take the human body up a level.
Dr. Steven Gundry has an interesting book on his own research which has led to a broader understanding of the different proteins scattered in all living material/plant life/nature and found some interesting facts along the way, take a look: