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Docs Who Lift

Docs Who Lift

Docs Who Lift 154 Episodes Oct 7, 2026

Drs. Spencer and Karl Nadolsky, both physicians and former NCAA Division 1 wrestlers, discuss nutrition, medicine, and fitness from the perspective of doctors who lift weights. Dr. Spencer Nadolsky is a board-certified family physician specializing in obesity medicine and lipidology, while Dr. Karl Nadolsky is a board-certified endocrinologist also specialized in obesity medicine. The podcast covers topics related to health, exercise, and medical science.

Episodes

Retatrutide & Beyond: Eli Lilly Exec on Next-Gen GLP-1s
Retatrutide & Beyond: Eli Lilly Exec on Next-Gen GLP-1s Oct 7, 2026 00:58:13 Docs Who Lift finally got a big pharma exec on the show. Dr. Ken Custer is President of Lilly's Cardiometabolic Health, and he came straight from the EASD conference in Milan with fresh data on what's coming after tirzepatide.If you've been waiting on retatrutide, this is the episode. Spencer and Karl get Custer to walk through the new phase 3 results and the tirzepatide plus eluralintide combinat
Food Noise Is Real, and Now We Can Measure It
Food Noise Is Real, and Now We Can Measure It Sep 22, 2026 00:49:28 Dr. David Allison and Dr. Emily Dhurandhar join Dr. Spencer Nadolsky and Dr. Karl Nadolsky to break down their new research on food noise. Patients on GLP-1s kept describing the same thing: the constant background chatter about food finally went quiet. Allison and Dhurandhar convened an expert panel of physicians, psychologists, statisticians, and eating disorder specialists to define it properly
Does Metabolically Healthy Obesity Even Exist?
Does Metabolically Healthy Obesity Even Exist? Aug 30, 2026 00:48:28 Dr. Christian Rodriguez joins the show straight from Pennington Biomedical, where he works alongside obesity research legends Eric Ravussin and Steve Heymsfield. He breaks down his new review on metabolically healthy obesity and why the old "zero metabolic syndrome criteria" definitions are so inconsistent. The conversation dives deep into the Lancet Commission's new obesity framework, comparing i
Is Your Obesity Genetic? Food Noise and Bardet-Biedl Syndrome Explained
Is Your Obesity Genetic? Food Noise and Bardet-Biedl Syndrome Explained Aug 3, 2026 00:39:46 Could your weight gain and non-stop thoughts about food actually come from a rare condition you were born with? In this episode of the Docs Who Lift podcast, Dr. Spencer Nadolsky and Dr. Karl Nadolsky chat with weight expert Dr. Jesse Richards about Bardet-Biedl Syndrome (BBS). This rare condition tricks your brain into thinking your body is starving, even when you have plenty of body fat stored u
PCOS Renamed to PMOS? Here's Why and What Changes for You
PCOS Renamed to PMOS? Here's Why and What Changes for You Jul 7, 2026 00:36:52 In this episode they cover why the name polycystic ovarian syndrome has been misleading from the start given that you do not need polycystic ovaries to have the condition and you can have polycystic ovaries without having the condition at all, what the Rotterdam criteria actually are and why having two of three features including irregular periods, elevated androgens, and polycystic ovarian morpho
Are Peptides the New Snake Oil? What the Actual Science Says With Barbell Medicine
Are Peptides the New Snake Oil? What the Actual Science Says With Barbell Medicine Jun 17, 2026 00:57:24 Dr. Spencer Nadolsky and Karl bring on Dr. Austin Baraki and Dr. Jordan Feigenbaum from the Barbell Medicine crew for a conversation that cuts through one of the most hyped and least understood topics in the health and fitness space right now: the research peptides that millions of people are injecting into themselves based on anecdotes, social media marketing, and the logic that short chain amino
Retatrutide Phase 3 Results: What the Data Actually Means
Retatrutide Phase 3 Results: What the Data Actually Means Jun 8, 2026 00:45:03 Dr. Spencer and Karl Nadolsky sit down with David W, a nurse practitioner and one of the actual patients enrolled in the Triumph 1 retatrutide phase 3 trial, to break down the data that was just presented at the American Diabetes Association conference and explain why everyone in obesity medicine is paying very close attention. In this episode they cover what retatrutide actually is and why adding
GLP-1 Maintenance: What Happens When You Lower Your Dose, Switch Medications, or Stop Entirely
GLP-1 Maintenance: What Happens When You Lower Your Dose, Switch Medications, or Stop Entirely May 25, 2026 00:39:46 Dr. Spencer Nadolsky and Karl break down two brand new randomized controlled trials that put hard numbers on a question they have been navigating clinically for years: what actually happens to patients on GLP-1 medicines when they try to lower their dose, switch to a cheaper option, or come off entirely. In this episode they cover why obesity biology actively fights back against weight loss throug
Are GLP-1 Medicines Shredding Your Bones? Here Is What the Actual Evidence Says With Dr. Susan Brian
Are GLP-1 Medicines Shredding Your Bones? Here Is What the Actual Evidence Says With Dr. Susan Brian May 18, 2026 00:31:42 Dr. Spencer Nadolsky and Karl sit down with Dr. Susan Brian, a Yale-trained endocrinologist, certified menopause provider, and medical director of a clinic with seven endocrinologists who runs an active bone fragility fracture clinic, to answer the question that has been flooding social media since a viral abstract with two fake bones on a surgical table convinced people their skeletons are quietl
Heavy Metal Toxicity: Separating Real Risks From Influencer Scams | Dr. Eryn Russo
Heavy Metal Toxicity: Separating Real Risks From Influencer Scams | Dr. Eryn Russo May 5, 2026 00:52:36 Dr. Spencer Nadolsky and Karl sit down with Dr. Eryn Russo, a board-certified occupational and environmental medicine physician with nearly 20 years of experience working at Hill Air Force Base, where she deals with real toxic metal exposures every single day. She is one of less than one percent of all board-certified physicians practicing in this specialty, which makes her exactly the person you
GLP-1 Genetics: Predicting Weight Loss and Side Effects With 23andMe's Dr. Adam Auton
GLP-1 Genetics: Predicting Weight Loss and Side Effects With 23andMe's Dr. Adam Auton Apr 21, 2026 00:24:36 Dr. Spencer Nadolsky and Karl sit down with Dr. Adam Auton, geneticist at 23andMe, to break down a brand new paper using data from over 27,000 people that identified specific genetic variants linked to how well GLP-1 medications work and how likely someone is to experience side effects. 23andMe has over 11 million people in their research database and used voluntary survey data on medication use,
Do GLP-1 Medicines Actually Cause Muscle Loss? New Research With Dr. Henning Langer
Do GLP-1 Medicines Actually Cause Muscle Loss? New Research With Dr. Henning Langer Apr 14, 2026 00:36:25   5:37 PM         Dr. Spencer Nadolsky and Karl sit down with Dr. Henning Langer, PhD researcher at the Charité in Berlin and founder of his own muscle metabolism lab, to break down his newly published paper combining rodent and human data to look directly at what GLP-1 medicines actually do to skeletal muscle beyond what a DEXA scan can tell you. Dr. Langer spent time at Boehringer Ingelheim spec

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