Jordan Peterson
Psychologist and author
Jordan Peterson is a Canadian clinical psychologist and professor emeritus at the University of Toronto. He wrote Maps of Meaning and the best seller 12 Rules for Life, and hosts a podcast and YouTube channel. Since 2018 he has said he eats an all-beef diet, which he adopted after his daughter Mikhaila's results.
Updated November 1, 2026 · 1 experiment
What Jordan Peterson has tried
1 experiment we can source: 1 kept. Trying something is not recommending it; each entry says which.
Kept
Carnivore dietDiets and fasting
Started 2018 · Does not recommend it to others
Switched to an all-beef diet in 2018 after his daughter's results, and his depression and gum disease were reported to improve; asked if he was still on it, he said yes, called it dull and said he would not lightly recommend it.
“It isn’t something I would lightly recommend.”
McGill Office for Science and Society, The carnivore diet: a beefy leap of faith (November 2018) · Status checked November 15, 2018 · Suggest a correction