You can't solve a problem if you don't know what the problem is. One of Lustig's singular gifts as a communicator is his ability to "connect the dots" for the general reader, in order to unpack the scientific data and concepts behind his arguments, as he tells the "real story of food" and "the story of real food."
Metabolical weaves the interconnected strands of nutrition, health/disease, medicine, environment, and society into a completely new fabric by proving on a scientific basis a series of iconoclastic revelations, among them:
Making the case that food is the only lever we have to effect biochemical change to improve our health, Lustig explains what to eat based on two novel criteria: protect the liver, and feed the gut. He insists that if we do not fix our food and change the way we eat, we will continue to court chronic disease, bankrupt healthcare, and threaten the planet. But there is hope: this book explains what's needed to fix all three.