The Jim Rutt Show

EP 321 James Fadiman and Jordan Gruber on Microdosing Psychedelics

66 snips
Sep 2, 2025
James Fadiman, Ph.D., a leading psychedelic researcher known as the “father of microdosing,” teams up with Jordan Gruber, JD, MA, a transformational modality expert. They dive into microdosing psychedelics, discussing its benefits for creativity and mental health. Topics include various dosing protocols, the legal landscape, and the therapeutic potential for conditions like long COVID. They also explore the contrast between microdosing and traditional antidepressants, emphasizing personalized approaches and the evolving understanding of mental health treatment.
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INSIGHT

Microdosing Defined And Broad Benefits

  • Microdosing means taking sub-threshold amounts of psychedelics to remain functional and avoid full psychedelic effects.
  • James Fadiman and Jordan Gruber report broad benefits across mental, physical, and performance domains.
ADVICE

Use 'Sub‑Threshold' Not 'Subperceptual'

  • Use the term "sub-threshold" rather than "subperceptual" to describe microdoses that avoid psychedelic visuals and breakthroughs.
  • Stay below the threshold so you can have an ordinary day while receiving benefits.
INSIGHT

Microdosing Is Already Widespread

  • Microdosing is a global phenomenon with reports from dozens of countries and millions of users in the U.S.
  • RAND estimated half of recent psilocybin users in 2023 were microdosing, indicating mainstream uptake.
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