The Casey Adams Show

Dr. Will Bulsiewicz – Founder of 38TERA on Healing the Gut to Unlock Energy, Focus, and Longevity

May 9, 2025
Dr. Will Bulsiewicz, a renowned gastroenterologist and author, dives into the transformative power of gut health. He reveals how healing the gut can boost energy, mental clarity, and immune function. Sharing his personal health journey, Dr. B discusses the importance of consistent dietary choices and explores the future of microbiome-targeted supplements with his company, 38TERA. He also highlights surprising benefits of daily coffee consumption and how to train the gut to overcome food intolerances, making gut health both accessible and impactful.
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ANECDOTE

Dr. B's Personal Health Journey

  • Dr. Will Bulsiewicz experienced serious health issues despite his medical training, including weight gain and anxiety.
  • Changing his diet transformed his health, inspiring him to apply these concepts in his practice.
INSIGHT

Microbiome as Health's Command Center

  • The human gut contains about 38 trillion microbes, outnumbering human cells and genetic material.
  • These microbes critically influence immunity, metabolism, mood, and gene expression.
ANECDOTE

Breakout Gut Health Talk

  • Dr. B gave a gut health talk in Charleston that unexpectedly packed over 100 people and sparked widespread interest.
  • This success led him to podcasts, a viral episode, and ultimately writing his book.
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