The Magic Pill (2017)

Doctors, farmers, chefs and others weigh in on the controversial ketogenic diet and its potential to eradicate common illnesses. People around the globe are combating illness through a paradigm shift in eating. And this simple change — embracing fat as our main fuel — is showing profound promise in improving the health of people, animals and the planet. What if most of our modern diseases are really just symptoms of the same problem? The Magic Pill is a character-driven documentary that follows doctors, patients, scientists, chefs, farmers and journalists from around the globe who are combating illness through a paradigm shift in eating. And this simple change — embracing fat as our main fuel — is showing profound promise in improving the health of people, animals and the planet.

https://www.imdb.com/title/tt6035294/?ref_=fn_al_tt_1