MindPump exposes the RAW TRUTH about health, fitness, nutrition and more... Hosts Sal Di Stefano, Adam Schafer & Justin Andrews pull back the curtain on the mythology, snake oil and pseudo-science that pervades the fitness industry and present science-backed solutions that result in increased muscular development and performance while simultaneously emphasizing health. No fitness institution or fitness "truth" is safe from their quick wit and over 40 years of combined experience in the fitness industry. Produced by Doug Egge. Find Mind Pump and the Mind Pump hosts on Instragram @mindpumpmedia, @mindpumpsal, @mindpumpadam, @mindpumpjustin & @mindpumpdoug and at mindpumppodcast.com. Get expertly programmed Mind Pump training protocols at mapsfitnessproducts.com

2822: The Truth About Insulin Sensitivity & Muscle Growth

March 25, 2026 01:15:12 13.16 MB ( 59.02 MB less) Downloads: 0

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Most people think building muscle and burning fat comes down to calories, workouts, and discipline.

But what if the real issue is something deeper?

In this episode, we sit down with a Rhett Langley, specializing in metabolic health to break down why your body might not be responding , even when you're doing everything right.

We cover:

  • Why metabolism controls fat loss and muscle gain
  • How blood sugar impacts cravings, energy, and performance
  • The truth about insulin sensitivity and muscle growth
  • Why strength training is one of the most powerful metabolic tools
  • How sleep, stress, and lifestyle affect your results more than you think
  • The real reason some people struggle to see progress

If you feel stuck, frustrated, or like your body isn't responding… this episode will change how you look at fitness.

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(00:00) Metabolic Health & Why It Matters (11:00) The Doctor's Personal Wake-Up Call (20:00) Stress, Blood Sugar & Daily Lifestyle Impact (30:00) Why Muscle Improves Insulin Sensitivity (40:00) Metabolic Dysfunction & Sexual Health (50:00) How CGMs Help Change Behavior (01:00:00) The Biggest Levers: Training & Nutrition (01:10:00) Why Strength Training Beats Cardio for Metabolism (01:20:00) Brain Health, Dementia & Blood Sugar (01:30:00) GLP-1s, Medications & Fat Loss (01:40:00) Supplements That Actually Work (01:50:00) How to Fix Your Metabolism Long-Term