Home Podcasts Docs Who Lift
Docs Who Lift

Docs Who Lift

Docs Who Lift 154 episodes Latest Jun 8, 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 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 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 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 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 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 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
How Often Should You Really Lift Weights? Feat. Dr. Stuart Phillips Apr 2, 2026 00:51:56 Dr. Spencer Nadolsky and Dr. Karl Nadolsky sit down with Dr. Stuart Phillips, senior author on the newly updated American College of Sports Medicine position stand on resistance training, to break down what 137 systematic reviews and over 30,000 participants actually tell us about building muscle, getting stronger, and improving function across the lifespan. The last version of these guidelines wa
Bimagrumab and Semaglutide: The BELIEVE Trial Results With Dr. Steven Heymsfield Mar 23, 2026 00:38:42 Dr. Spencer Nadolsky, Dr. Karl, and chief science officer Dr. Grant Tinsley sit down with Dr. Steven Heymsfield, physician at the Pennington Biomedical Research Center and lead author on the BELIEVE trial, to break down what happens when you combine bimagrumab with semaglutide and why over 90 percent of weight lost in the combination group was pure fat. Dr. Heymsfield has published over 600 peer r
Menopause, Muscle, and the Myths | Dr. Alyssa Olenick Mar 13, 2026 00:49:39 Dr. Spencer and Karl Nadolsky bring on Dr. Alyssa Olenick, exercise physiologist and postdoctoral researcher in menopause and metabolism, to cut through the noise on one of the most misrepresented topics in women's health. Dr. Olenick holds a PhD in exercise physiology, completed postdoctoral training focused on menopause and body composition, and is the founder of the Liss Method, a hybrid traini
The Truth About Creatine (Doctors Discuss) Mar 6, 2026 00:35:06 Takeaways: Creatine is a naturally occurring compound that helps regenerate ATP, the energy currency of the cell. Supplementing with creatine can enhance performance in high-intensity exercise but may not be beneficial for endurance activities. The majority of creatine is stored in muscle, and supplementation can help fill those stores for better energy availability. Creatine monohydrate is the mo
Top Sleep Doctor: Stop Taking Melatonin Like This Feb 23, 2026 00:48:33 Takeaways:The 11-Minute Rule: Why blue light isn't the villain you think it is. The Melatonin Mistake: Why "less is more" (and the exact dosage for success). Trackers vs. Reality: When to throw away your Apple Watch or Oura Ring. The Bedrock Principle: Why sleep is the lead domino for fat loss and metabolic health. Sex & Sleep: The surprising biological difference in how men and women recover. Tap
GLP-1s and Fertility What to Know Before Trying to Conceive Feb 12, 2026 00:54:19 Get The Lucky Egg Book HereTakeaways:Dr. Lucky Sekhon is a reproductive endocrinologist and author of 'The Lucky Egg'.The pathway to reproductive endocrinology involves extensive training in OB-GYN and specialized fellowship.Social media became a tool for Dr. Sekhon to combat misinformation during the pandemic.Common myths in fertility include the idea that one can reverse the biological clock.Und

Recommended

Playing