Reishi mushroom elixir
Supplement
A Four Sigmatic product, recommended by Tim Ferriss for improving sleep and calming the mind. He requested a custom stevia-free version.
Mentioned in 4 videos
Videos Mentioning Reishi mushroom elixir

Jack Kornfield — Finding Freedom, Love, and Joy in the Present | The Tim Ferriss Show (Podcast)
Tim Ferriss
A Four Sigmatic product, specifically a reishi mushroom elixir, used to promote sleep and calming. Tim Ferriss tried a version without stevia, which he found effective.

Catherine Hoke Interview | The Tim Ferriss Show (Podcast)
Tim Ferriss
A product from Four Sigmatic that Tim Ferriss uses to aid sleep. He recommends the sweetener-free version.

Brandon Stanton Interview | The Tim Ferriss Show (Podcast)
Tim Ferriss
A Four Sigmatic product, recommended by Tim Ferriss for improving sleep and calming the mind. He requested a custom stevia-free version.

Steve Jurvetson Interview | The Tim Ferriss Show (Podcast)
Tim Ferriss
A product from Four Sigmatic made with organic reishi, field mint, rosehips, and Tulsi extract, used by Tim Ferriss to improve sleep quality.