Theanine (L-theanine)

This supplement has been genuinely recommended 5 times across 2 different shows: Andrew Huberman, Tim Ferriss. The people who vouched for it on air: Andrew Huberman. It comes up in conversations about anxiety & stress, brain health, depression & mood, focus & dopamine, hormones. The earliest recommendation we indexed is from Jan 2021 and the most recent from Nov 2024. Every quote below is verbatim, attributed, and linked to the exact second it was said. Sourced expert opinion, not medical advice.

• “100 to 200 milligrams of theanine for me also helps me turn off my mind and fall asleep.”

  Why it counts as a recommendation: “for me also helps me turn off my mind and fall asleep”
  Andrew Huberman · Huberman Lab · Nov 202400:31:48

  Said during "Master Your Sleep & Be More Alert When Awake | Huberman Lab Essentials". The episode features Andrew Huberman (solo): Professor of neurobiology and ophthalmology at Stanford School of Medicine and host of the Huberman Lab podcast. This is a solo 'Essentials' episode with no guest. Huberman breaks down the science of sleep and alertness, with light timing as the single most powerful lever for both.

• “the other supplements that I take and recommend for sleep, such as magnesium 3 and 8, apigenin, and theanine.”

  Why it counts as a recommendation: “the other supplements that I take and recommend for sleep, such as ... theanine”
  Andrew Huberman · Huberman Lab · Jan 202303:56:27

  Said during "How to Optimize Fertility in Males & Females". The episode features Andrew Huberman: Professor of neurobiology and ophthalmology at Stanford School of Medicine and host of the Huberman Lab podcast. This is a solo episode. Huberman's deep dive into the biology of male and female fertility, plus behavioral, supplement, and clinical tools to optimize it.

• “Many people opt to take 100 milligrams of theanine, T-H-E-A-N-I-N-E, theanine, as a way to offset some of that jitteriness. Theanine will reduce the jitteriness of caffeine.”

  Why it counts as a recommendation: “Many people opt to take 100 milligrams of theanine... as a way to offset some of that jitteriness”
  Andrew Huberman · Huberman Lab · Dec 202201:07:54

  Said during "Using Caffeine to Optimize Mental & Physical Performance". The episode features Andrew Huberman: Professor of Neurobiology and Ophthalmology at Stanford School of Medicine and host of the Huberman Lab podcast, where he translates neuroscience into practical, science-based tools. Andrew Huberman breaks down how caffeine works as both stimulant and powerful reinforcer, and how to time and dose it for peak performance.

• “200-400 milligrams of theanine can create a kind of a hypnotic state help you fall asleep”

  Why it counts as a recommendation: “i take a cocktail of magnesium three and eight and then two other things ... theanine”
  Andrew Huberman · The Tim Ferriss Show · Jul 202100:35:46

  Said during "Dr. Andrew Huberman, A Neurobiologist on Sleep, Performance, and Anxiety | The Tim Ferriss Show". The episode features Andrew Huberman: Andrew Huberman is a neuroscientist and tenured professor in the Department of Neurobiology at Stanford University School of Medicine, known for work on brain development, vision, and neural plasticity. He hosts the Huberman Lab podcast and shares science-based health tools. Stanford neurobiologist Andrew Huberman on using light, breathing, and the body to control sleep, stress, and performance.