Docs Who Lift

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 glucagon agonism to the GLP-1 and ...

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 through hunger hormones, fat cell hormone...

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 quietly dissolving.

Follow Dr. Sus...

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 want explaining why the heavy metal...

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, dosage, duration, weight loss, and ...

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 specifically studying skeletal muscle during ...

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 was published in 2009 and the science...

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 reviewed articles and is widely cons...

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 training program combining strength and e...

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 most studied and effective form of cr...

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.

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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 clock.

Understanding the fertility kn...

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 focus on numbers to health and well-being.

Bu...

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 GLP-1s is com...

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 intended for healthcare professionals, not ...

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.

The Catalyst trial explored the effects of ...

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 care.

Ethics in medicine is a complex and nu...

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.

Detection of drugs in milk is a critical c...

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 change and can be built through mastery exper...