What if the biggest mistake people are making on GLP-1 medications isn’t the drug—but how they’re using it?In this episode, Elizabeth sits down with leading endocrinologist and 20-year GLP-1 researcher Dr. Zhenqi Liu to unpack the hidden risks of rapid weight loss—including muscle loss, metabolic slowdown, and rebound fat gain—and how to avoid them.If you want to lose weight without sacrificing your metabolism, this conversation is essential.***SHOW NOTES[ 00:00 ] Introduction: The 7-Step GLP-1 Muscle Loss Cycle[ 03:30 ] Why Fast Weight Loss Backfires[ 07:00 ] Malnutrition: The Silent Risk[ 10:30 ] Why the Body Breaks Down Muscle First[ 14:00 ] Muscle Quality vs. Quantity in Obesity[ 17:30 ] Fat Inside Muscle & Metabolic Dysfunction[ 21:00 ] The Turning Point: Protecting Muscle During Weight Loss[ 24:30 ] Who Should Use GLP-1s (and Who Shouldn’t)[ 28:00 ] The Exercise Formula That Changes Everything[ 28:00 ] The Exercise Formula That Changes Everything[ 31:30 ] Cardiovascular Fitness & Longevity[ 35:00 ] Nutrition Mistakes That Undermine Results[ 38:30 ] “Eat Even If You’re Not Hungry”[ 42:00 ] Protein: The Non-Negotiable Nutrient[ 45:30 ] Protein + Strength Training: The Winning Combination[ 49:00 ] Protein Sources, Powders & Amino Acids[ 52:30 ] Are GLP-1s a Long-Term Solution?[ 56:00 ] Lower Doses & Smarter Use[ 59:30 ] The Rebound Effect Explained[ 1:03:00 ] The Most Common Mistakes People Make[ 1:06:30 ] Why Strength Matters More Than the Scale[ 1:10:00 ] Is Obesity a Disease?[ 1:13:30 ] Do You Need GLP-1s for Life?[ 1:17:00 ] The Real Secret to Sustainable Results**Get Connected with Elizabeth McGann:Coaching Website: http://www.ElizabethMcGann.comInstagram: http://www.instagram.com/elizabethmcgannFacebook: https://www.facebook.com/ElizabethMcGannWellnessLinkedIn: https://www.linkedin.com/in/elizabethmcgannX/Twitter: https://twitter.com/ElizabethMcGann***Learn more about Dr. Zhenqi LiuUniversity of Virginia Profile: https://med.virginia.edu/endocrinology-metabolism/research/endocrine-investigators/zhenqi-liu/X/Twitter: https://x.com/DrZhenqiLiu

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