Docs Who Lift

Docs Who Lift

Health EN ↓ 156 episodes

Drs. Spencer and Karl Nadolsky talk about nutrition, medicine, and fitness through the lens of two physicians who lift weights. Both doctors are former NCAA division 1 wrestlers who have gone into medicine. Dr. Spencer Nadolsky is a board certified family physician specialized in obesity medicine and lipidology. Dr. Karl Nadolsky is a board certified endocrinologist also specialized in obesity medicine.

Author

Docs Who Lift

Category

Health

Podcast website

podcasters.spotify.com

Latest episode

Jul 7, 2026

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Episodes

PCOS Renamed to PMOS? Here's Why and What Changes for You 07.07.2026

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 17.06.2026

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 08.06.2026

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 25.05.2026

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 18.05.2026

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 05.05.2026

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 21.04.2026

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 14.04.2026

  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 02.04.2026

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 23.03.2026

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 13.03.2026

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) 06.03.2026

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 23.02.2026

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. Ta...

GLP-1s and Fertility What to Know Before Trying to Conceive 12.02.2026

Get The Lucky Egg Book Here Takeaways: 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 cloc...

Reclaiming Excellence: A Conversation with Brad Stulberg 30.01.2026

Takeaways Excellence is not a standard but a process of becoming. Involved engagement means caring deeply about what you do. The pursuit of excellence shapes you into a better person. Consistency is key to achieving long-term goals. It's important to align your pursuits with your values. Youth sports can be beneficial but also harmful if not approached correctly. Weight loss should shift from a fo...

Oral GLP-1 (Wegovy) Is Here: Dosing, Switching, and What to Expect 20.01.2026

Key Episode Takeaways Oral Wegovy is real, but it’s not “just a pill version of the shot.” Absorption rules, dosing schedules, and patient selection matter a lot more than most headlines suggest. Switching from injections to oral GLP-1s requires a plan. The transition isn’t one-size-fits-all, and dose timing, GI tolerance, and expectations need to be managed carefully. Weight regain after stopping...

Breaking Down the New Food Pyramid (Great or Confusing) 12.01.2026

Takeaways: Dietary guidelines have evolved since the 1980s. The food pyramid was introduced in 1992 and has influenced public perception. New dietary guidelines emphasize healthy fats but retain some old recommendations. There are contradictions in the new guidelines regarding saturated fat and protein intake. The definition of processed foods remains vague and controversial. The guidelines are in...

Cortisol Myths vs Reality: What Your Adrenals Actually Do 07.01.2026

Takeaways: Cortisol is essential for various bodily functions, especially during stress. Adrenal glands have a circadian rhythm that affects cortisol production. Cushing's syndrome can result from excess cortisol and has specific symptoms. Diagnosis of adrenal disorders requires careful testing and consideration of symptoms. Mild autonomous cortisol secretion can complicate diabetes management. Th...

GLP-1 Side Effects Deep Dive: Slimmer's Paralysis, Bladder Spasms, & Reactive Hypoglycemia. 05.12.2025

Takeaways: Slimmer's Paralysis is a recognized condition. Ethical boundaries are crucial in patient relationships. Medical professionals must maintain professionalism at all times. Humor can sometimes arise in serious discussions. Patient stories should always be handled with care. The importance of clear communication in medical settings. Understanding patient experiences is vital for effective c...

GLP-1s and Breast Milk: What the New Research Actually Found 19.11.2025

Takeaways: Drug transfer during lactation is complex and challenging. Semaglutide was not detected in women taking any dose. Low amounts of tears epitide were found in milk. Tissue damage can affect drug absorption. Mastitis and engorgement complicate the lactation process. Injections are necessary for effective drug delivery. The analogy of an elephant illustrates the difficulty of drug transfer....

How to Build Healthy Routines That Actually Stick 12.11.2025

Takeaways: Behavior change is a complex process that requires understanding motivation and discipline. Motivation is not just a feeling; it's a psychological skill that can be developed. Many common phrases about behavior change are misleading and oversimplified. Exercise should be viewed as a choice rather than a habit that becomes automatic. Self-efficacy is crucial for successful behavior chang...

The Truth About Testosterone Therapy in Women (with Dr. Susan Davis) 03.11.2025

Testosterone therapy can improve libido in postmenopausal women. Sexual dysfunction in women is complex and multifactorial. Low sexual desire is only considered a disorder if it causes distress. Psychosocial factors play a significant role in sexual health. Testosterone levels do not change significantly at menopause. The placebo effect can significantly influence treatment outcomes. Individualize...

From Injections to Pills: Breaking Down the New Oral GLP-1 Data 23.10.2025

Show Notes: In this episode of Docs Who Lift , the Nadolsky brothers welcome back Dr. Sean Wharton , clinical trialist and one of the leading researchers behind the next generation of oral GLP-1 medications. Together, they break down: The OASIS-4 trial results on 25mg oral semaglutide and how it stacks up to injectable Wegovy How orforglipron , Eli Lilly’s new small-molecule GLP-1, differs from pe...

De-Emphasizing BMI, Prioritizing Health: What’s New in the ACE Obesity Guidelines 13.10.2025

In this episode of Docs Who Lift , the Nadolsky brothers dive deep into the newly released American Association of Clinical Endocrinology (ACE) Algorithm for Obesity Care led by Dr. Karl himself. They explore: Why ACE moved away from a BMI-only approach to a person-centered, complication-centric model The new staging framework (ABCD) that helps individualize treatment intensity How to interpret “c...

Debunking The Myths of Metabolism and Weight Loss 25.09.2025

Takeaways The book aims to dispel myths surrounding the Biggest Loser study. Miscommunication in media has led to public confusion about metabolism. Metabolic adaptation is a response to weight loss, not a determinant of it. Cultural factors significantly influence eating habits and food choices. The food environment plays a crucial role in dietary behaviors. Bipartisan support is necessary for ef...

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