EP 1441
1441. The Silent Fatty Liver Epidemic: Why Thin, Sober People Are Still at Risk
Host Dave Asprey sits down with Siggi Clavien, Founder and CEO of The Liver Clinic and de-liver-ance, to explore why liver health may be one of the most overlooked factors in metabolism, hormone balance, brain function, weight management, detoxification, and longevity. Siggi explains why fatty liver can develop even in people who are thin or rarely drink alcohol, why standard bloodwork may miss early liver dysfunction, and how technologies such as FibroScan can measure liver fat, stiffness, and fibrosis. They break down the connections between liver function, triglycerides, insulin resistance, brain fog, weight gain, bile production, gut health, thyroid hormone activation, testosterone, estrogen, and healthy aging. The conversation also goes deep into GLP-1s and rapid weight loss, including Siggi’s concerns about compounds released from fat tissue, muscle loss, and the additional workload placed on the liver. Dave and Siggi explore alcohol, estrogen, hormone replacement therapy, environmental chemicals, artificial sweeteners, processed foods, choline, glutathione, supplement quality, and the liver’s remarkable ability to regenerate. They also discuss the unexpected science of microchimerism and organ transplantation, including donor cells, DNA, cellular memory, and reported changes following transplants. Essential listening for anyone interested in fatty liver, metabolic health, GLP-1s, weight loss, hormones, brain fog, insulin resistance, detoxification, liver scans, supplements, and longevity.
Subscribe To The Human Upgrade
In this Episode of The Human Upgrade™...
Visit LoveYourLiver.com and use code DAVE7 to access the special offer from de-liver-ance mentioned in this episode.
Host Dave Asprey sits down with Siggi Clavien, Founder and CEO of The Liver Clinic and de-liver-ance, to explore why the liver may be one of the most overlooked organs in metabolism, hormone health, detoxification, brain function, weight management, and longevity.
Siggi explains why fatty liver can develop without obvious symptoms and why someone can appear lean and healthy while still have significant liver fat. Drawing on thousands of liver scans, he shares what his team has observed in people whose blood markers appeared normal despite signs of fatty liver on imaging, and explains how tools such as FibroScan can reveal liver fat, stiffness, and fibrosis.
Dave and Siggi go deep into triglycerides, cholesterol, insulin resistance, brain fog, weight gain, bile production, thyroid hormone activation, testosterone, estrogen metabolism, and liver regeneration. They also explore how alcohol, environmental chemicals, plastics, processed foods, artificial sweeteners, medications, and other exposures may place additional stress on the liver.
The conversation also tackles rapid weight loss and GLP-1 medications, including Siggi’s concerns about compounds released from fat tissue during aggressive weight loss and why protecting muscle, eating enough protein, and supporting liver function may matter during the process.
Dave and Siggi also discuss alcohol, estrogen, hormone replacement therapy, glutathione, choline, bile flow, supplement quality, and why liver health may influence systems throughout the body. The episode takes an unexpected turn into microchimerism and organ transplantation, including donor cells, DNA, cellular memory, and reported changes in behavior or personality after transplantation.
This is essential listening for anyone interested in fatty liver, metabolic health, GLP-1s, weight loss, hormone health, estrogen, testosterone, thyroid function, alcohol, brain fog, insulin resistance, liver scans, longevity, choline, glutathione, bile flow, and biohacking.
You’ll Learn:
- Why fatty liver can develop even in people who are thin or rarely drink alcohol
- Why normal bloodwork may not always reveal what is happening inside the liver
- How liver health connects to metabolism, brain fog, weight gain, hormones, and thyroid function
- What rapid weight loss and GLP-1 use may mean for liver function
- How alcohol, estrogen, HRT, bile, choline, and glutathione interact with liver health
- Why liver scans, nutrition, and supplement quality may matter for long-term health
Dave Asprey is a four-time New York Times bestselling author, founder of Bulletproof Coffee, and the father of biohacking. With over 1,000 interviews and 1 million monthly listeners, The Human Upgrade brings you the knowledge to take control of your biology, extend your longevity, and optimize every system in your body and mind. Each episode delivers cutting-edge insights in health, performance, neuroscience, supplements, nutrition, biohacking, emotional intelligence, and conscious living.
New episodes are released every Tuesday, Thursday, Friday, and Sunday (BONUS). Dave asks the questions no one else will and gives you real tools to become stronger, smarter, and more resilient.
Keywords: Siggi Clavien, de-liver-ance, The Liver Clinic, liver health, fatty liver, fatty liver disease, MASLD, liver detox, liver function, liver scan, FibroScan, liver fibrosis, triglycerides, cholesterol, metabolic health, GLP-1, weight loss, toxins, alcohol, estrogen, HRT, testosterone, thyroid health, brain fog, insulin resistance, bile, choline, glutathione, artificial sweeteners, supplements, longevity, liver regeneration, microchimerism, biohacking
Resources:
- Visit LoveYourLiver.comand use code DAVE7to access the special offer from de-liver-ance mentioned in this episode.
- Get My 2026 Clean Nicotine Roadmap | Enroll for free at https://daveasprey.com/2026-clean-nicotine-roadmap/
- Dave Asprey’s Latest News | Go to https://daveasprey.com/ to join Inside Track today.
- Danger Coffee: https://dangercoffee.com/discount/davetube
- My Daily Supplements: SuppGrade Labs (15% Off)
- Favorite Blue Light Blocking Glasses: TrueDark (15% Off)
“Fifty percent of people with fatty liver disease are thin.”
Siggi Clavien
00:00 — Trailer
A quick preview of the biggest liver-health takeaways, including fatty liver, hormones, GLP-1s, and longevity.
01:00 — Liver Basics & Signs
Dave and Siggi break down what the liver does, why liver problems can stay silent, and the early signs that something may be off.
05:30 — Liver Scan Technology
Siggi explains how FibroScan and similar tools can measure liver fat, stiffness, and fibrosis beyond standard bloodwork.
08:15 — Chemicals & Liver Disease
The conversation turns to processed foods, artificial sweeteners, plastics, pesticides, and other exposures that may add stress to the liver.
11:30 — Deliverance Formula Story
Siggi shares how personal loss, plant medicine, and years of formulation work led to the development of de-liver-ance.
17:15 — Estrogen, Alcohol & HRT
Dave and Siggi explore how the liver processes estrogen, how alcohol can affect hormone balance, and what that may mean for women using HRT.
22:30 — GLP-1s & Liver Toxicity
They discuss rapid fat loss, stored compounds released from fat tissue, muscle loss, and why liver support may matter during GLP-1 use.
28:00 — Bile & Gut Health
Dave and Siggi explain how bile production affects fat digestion, gut function, stool changes, and the liver-gut connection.
33:10 — Chimerism & Transplants
The episode takes a surprising turn into donor cells, microchimerism, transplant biology, and reported changes after organ transplantation.
41:30 — Hormesis & Painkillers
Siggi shares his view on low-dose stress, alcohol hormesis, acetaminophen, ibuprofen, and how different painkillers affect the liver and kidneys.
50:00 — Sweeteners, Hormones & Thyroid
They cover diet soda, artificial sweeteners, testosterone, estrogen, thyroid hormone activation, and why the liver plays such a large role in hormone health.
55:00 — Outro – Discount
Dave wraps the episode with details on the de-liver-ance offer at LoveYourLiver.com using code DAVE7.
Thank you to our sponsors!
Enjoy the show!
LISTEN:
“Follow” or “subscribe” to The Human Upgrade™ with Dave Asprey on your favorite podcast platform.
REVIEW:
Go to Apple Podcasts at daveasprey.com/apple and leave a (hopefully) 5-star rating and a creative review.
FEEDBACK:
Got a comment, idea or question for the podcast? Submit via this form!
SOCIAL:
Follow @thehumanupgradepodcast on Instagram and Facebook.
JOIN:
Learn directly from Dave Asprey alongside others in a membership group: ourupgradecollective.com.
Subscribe To The Human Upgrade
Similar Episodes
Subscribe To The Human Upgrade
BOOKS
4X NEW YORK TIMES
BEST-SELLING SCIENCE AUTHOR
Smarter
Not Harder
Smarter Not Harder: The Biohacker’s Guide to Getting the Body and Mind You Want is about helping you to become the best version of yourself by embracing laziness while increasing your energy and optimizing your biology.
Also Available
