Vitamin D

This supplement has been genuinely recommended 4 times across 4 different shows: Andrew Huberman, Diary of a CEO, Joe Rogan, Tim Ferriss. The people who vouched for it on air: Andrew Huberman, Dominic D'Agostino, Joe Rogan, Mary Claire Haver. It comes up in conversations about addiction & recovery, brain health, exercise & strength, fasting, hormones. The earliest recommendation we indexed is from May 2021 and the most recent from Oct 2025. Every quote below is verbatim, attributed, and linked to the exact second it was said. Sourced expert opinion, not medical advice.

• “that is one that we can supplement safely up to about 4,000 IUs international units... vitamin D is hugely important in multiple enzyatic processes”

  Why it counts as a recommendation: “vitamin D is hugely important”
  Mary Claire Haver · The Diary of a CEO · Oct 202502:04:04

  Said during "Women's Exercise Debate: The 7 Weight Loss Lies Women Believe!". The episode features Dr. Mary Claire Haver, Dr. Stacy Sims, Dr. Vonda Wright & Dr. Natalie Crawford: A panel of leading women's health experts: Haver (menopause physician, author of The New Menopause), Sims (exercise physiologist specializing in female athletes), Wright (orthopedic surgeon and author of Unbreakable), and Crawford (fertility specialist). Four women's health experts debunk weight-loss myths and lay out exactly how women should exercise, eat, fast, supplement and sleep across every life stage.

• “vitamin D and melatonin I think is a great neuroprotective antioxidant supplement to take at nighttime.”

  Why it counts as a recommendation: “vitamin D and melatonin I think is a great neuroprotective antioxidant supplement to take”
  Dominic D'Agostino · The Tim Ferriss Show · Sep 202501:29:46

  Said during "All Things Ketones, How to Boost Cognition, Sardine Fasting, Diet Rules, & More, Dr. Dom D’Agostino". The episode features Dr. Dom D'Agostino: Metabolic researcher at the University of South Florida who studies ketogenic diets, exogenous ketones, and beta-hydroxybutyrate for applications including Alzheimer's, cancer, seizures, and metabolic psychiatry. Dr. Dom D'Agostino on ketones, fasting, and metabolic therapy for Alzheimer's, cancer, and psychiatric disorders.

• “you definitely need Vitamin D almost everybody does ... if you want an optimal immune system that's really healthy it's imperative”

  Why it counts as a recommendation: “you definitely need Vitamin D ... it's imperative it's really important”
  Joe Rogan · The Joe Rogan Experience · Nov 202402:23:38

  Said during "Joe Rogan Experience #2235 - Mike Rowe". The episode features Mike Rowe: TV host, narrator, and trades advocate known for Dirty Jobs and Deadliest Catch; founder of the mikeroweWORKS Foundation. Mike Rowe and Joe Rogan trade career stories about authenticity in media, the trades, hunting, and a brutal whaling-disaster history.

• “in general, getting above a 1,000 milligrams of EPA per day to keep inflammation low or relatively low. Vitamin D and in some cases, magnesium malate.”

  Why it counts as a recommendation: “The kind of Golden Three according to Andy Galpin and the ones that he recommends”
  Andrew Huberman · Huberman Lab · May 202101:39:43

  Said during "Science of Muscle Growth, Increasing Strength & Muscular Recovery". The episode features Andrew Huberman: Professor of Neurobiology and Ophthalmology at Stanford School of Medicine and host of the Huberman Lab Podcast, which translates neuroscience into practical health tools. Huberman breaks down the neuroscience of muscle growth, strength, explosiveness, and recovery, plus the protocols and supplements that actually work.