AMA #3: Adaptogens, Fasting & Fertility, Bluetooth/EMF Risks, Cognitive Load Limits & More

Introduction

In this section, Andrew Huberman introduces the podcast and explains the purpose of the premium channel subscription model.

Introduction to the Podcast

• Andrew Huberman welcomes listeners to the Huberman Lab podcast.

• The podcast discusses science and science-based tools for everyday life.

• Andrew Huberman is a professor of neurobiology and ophthalmology at Stanford School of Medicine.

Premium Channel Subscription Model

• The premium channel was launched to raise support for the standard Huberman Lab podcast channel.

• The premium channel supports exciting research being done at major universities like Stanford and elsewhere.

• Listeners can subscribe to the premium channel for $10 a month or $100 a year. There is also a lifetime subscriber option.

Adaptogens

In this section, Andrew Huberman discusses adaptogens, which are compounds that help buffer stress. He explains what adaptogens are and their three main categories.

Definition of Adaptogens

• Adaptogens are compounds that help buffer stress.

• They can be supplements, drugs, or behaviors that help you adapt to stress.

• The strict definition of adaptogens is still evolving.

Three Categories of Adaptogens

• The first category includes vitamins or micronutrients found in food that can adjust or reduce reactive oxygen species (ROS).

• ROS are molecules that occur in cells when they get stressed or age. Antioxidants reduce ROS levels.

• The second category includes herbal supplements like ashwagandha and rhodiola rosea that have been shown to reduce cortisol levels in some studies.

• The third category includes synthetic compounds like phenylpiracetam and modafinil that have been shown to improve cognitive function under certain conditions.

The Benefits of Dark, Leafy Greens

In this section, the speaker discusses the benefits of dark, leafy greens and cruciferous vegetables as adaptogens.

Dark, Leafy Greens as Adaptogens

• Dark, leafy greens contain vitamins and micronutrients that reduce reactive oxygen species and inflammatory cytokines.

• Eating at least two to four servings of dark, leafy greens or cruciferous vegetables per day is highly advantageous for those interested in adaptogens.

• Overcooking these vegetables can destroy the very nutrients that act in an adaptogenic way.

Categories of Adaptogens

In this section, the speaker discusses three categories of adaptogens: food-based adaptogens, supplement-based adaptogens, and behavioral adaptogens.

Supplement-Based Adaptogens

• Supplements include compounds that cannot be obtained from food or not in sufficient quantities.

• Optimal dosage for many supplements may be zero for some people while it may vary for others.

Behavioral Adaptogens

• There is no bullet point with a timestamp associated with it.

Misconceptions About Supplements

In this section, the speaker addresses common misconceptions about supplements.

Vitamin Supplements vs Other Supplements

• Many people think of supplements as just vitamin supplements but there are many compounds that we would describe as supplements that are not vitamin supplements.

• Some people argue that taking supplements is expensive urine because they believe you can get all necessary nutrients from food. However, there are many compounds that you could never obtain from food in sufficient enough qualities to have any effect.

Understanding Adaptogens and Cortisol

In this section, the speaker discusses adaptogens and how they can be used to buffer the stress response. The focus is on three supplements that can be effective in buffering cortisol: ashwagandha, lion's mane, and chaga.

Adaptogens as Supplements

• Adaptogens are compounds sold over-the-counter that can be very beneficial for buffering the stress response.

• They are best thought of as a compound rather than a supplement.

• Three supplements that can be effective in buffering cortisol are ashwagandha, lion's mane, and chaga.

Benefits of Taking Adaptogens

• Many people derive tremendous benefit from taking adaptogens.

• If you have a particularly stressful mode of life or are recovering from injury or illness, taking an adaptogen in supplement form can be useful for buffering cortisol.

• Cortisol is associated with mental health and physical health issues when it is chronically elevated throughout the day or if its peak arrives too late in the day.

Restricting Cortisol Peak

• Restricting cortisol peak to early in the day is healthy.

• Morning sunlight exposure helps restrict cortisol peak to early in the day.

• Artificial bright lights indoors also help restrict cortisol peak to early in the day.

Ashwagandha as an Effective Adaptogen

• Ashwagandha is at the top of the list because it is indeed a very potent adaptogen.

• Studies show that taking two doses of 300 milligrams of ashwagandha per day can dramatically buffer cortisol.

• It cannot be accessed through food except by cooking with sources of ashwagandha and extracting exact amounts.

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