The Mental Health Crisis Starts in the Gut | Dr. William Li & Dr. Mark Hyman

Mark Hyman

Apr 29, 2026

Episode description

It’s easy to think of mental health as something happening only in the brain. But more and more, we’re seeing how closely it’s tied to what’s going on in the gut. Today, I’m joined again by Dr. William Li, a New York Times bestselling author. We discuss his latest book, Eat to Beat Your Diet, and how food, inflammation, and microbiome shape the way we think and feel.

Watch the full conversation on YouTube, or listen wherever you get your podcasts - https://youtu.be/rY0OE-1blL0

In this conversation we discuss:

• What if your anxiety or brain fog is actually a signal coming from your gut

• Why gut health may be the missing piece in how we think about mental health

• How everyday foods can either fuel inflammation or help calm your system

• The compounds in real food that quietly support memory, mood, and mental clarity

• Simple shifts that can help reset your system and support how you feel day to day

Mental health isn’t separate from the rest of the body. The more we understand that, the more it shifts where you look for answers.

If you’re looking for more support and community around this, the 10-Day Detox is designed to help reduce inflammation and support your body using real food. View Show Notes From This Episode

Get Free Weekly Health Tips from Dr. Hyman

https://drhyman.com/pages/picks?utm_campaign=shownotes&utm_medium=banner&utm_source=podcast

https://drhyman.com/pages/longevity?utm_campaign=shownotes&utm_medium=banner&utm_source=podcast

Join the 10-Day Detox to Reset Your Health

https://drhyman.com/pages/10-day-detox

Join the Hyman Hive for Expert Support and Real Results

https://drhyman.com/pages/hyman-hive

This episode is brought to you by Korrus, BIOptimizers, Seed, Maui Nui, Made In Cookware and Sunlighten.

Visit korrus.com/drhyman for 15% off their newest product OIO Sphere with code HYMANSPHERE15. Head to bioptimizers.com/hyman and use promo code HYMAN at checkout to save 15%. Go to seed.com/hyman and use code 20HYMAN to get 20% off your first month.

Mindsip insights from this episode:

Leverage gut bacteria remnants for health benefits

The remnants of dead bacteria in your gut, much like compost, can still provide beneficial signaling and health effects.

#bacteria

#gut

Utilize cantaloupe to naturally reduce anxiety

Cantaloupe contains a polyphenol called amentoflavone, which has been shown to naturally lower anxiety.

#anxiety

#nutrition

Connect flavors to health through the flavorome concept

A new concept called the 'flavorome' links the natural flavors in food directly to their medicinal molecules, which influence our emotions and health.

#nutrition

Utilize dead bacteria to stimulate healing processes

Emerging research shows that even dead, pulverized bacteria can be biologically active, with their remnants signaling the body to produce beneficial compounds like oxytocin.

#bacteria

#healing

Enhance deep sleep quality with Bifidobacterium longum 1714

A specific probiotic strain, Bifidobacterium longum 1714, has been shown to improve the quality of deep sleep.

#probiotics

#sleep

Choose wild or organic foods for enhanced flavor and health benefits

Plants under natural stress (like from bugs or weather) produce more protective polyphenols, which is why wild or organic foods are often more flavorful and healthier.