Why Your GLP-1 Stopped Working

She was on a GLP-1. The scale had stopped moving. She was exhausted, puffy, had zero sex drive, and she was offered yet another medication for weight loss. But Diane's plateau wasn't a medication failure — it was a metabolic systems failure. Low protein was burning her muscle. A Free T3 of 2.5 ran her metabolism at half capacity. Cortisol dysregulation was causing her to hold fluid and blocking fat release. And an antidepressant known for weight resistance and sexual dysfunction was going completely unaddressed. In this episode, we break down the real science of GLP-1 plateaus: why they happen, what the labs actually show, and the specific sequence of interventions that gets the weight moving again — without adding more drugs.Key Topics CoveredWhy protein is the single most important variable for women on GLP-1 medicationsThe functional hypothyroid pattern: normal TSH, low Free T3, and how it causes metabolic resistanceHow cortisol suppresses T3, holds fluid, and blocks fat loss even in a calorie deficitThe SSRI impact on libido and weight that most doctors don't discussWhy LDL-P and MPO matter more than standard cholesterol on a weight loss journeyThe campfire analogy, the thermostat analogy, and why adding more medication is pressing the gas on empty7 actionable steps — including the exact words to say to your doctorKey Statistics Referenced:Diane's Free T3: 2.5 — low (optimal 3.5–4.2); metabolic rate suppressed ~30-40%Diane's LDL-P: 1,435 — elevated particle count with high cardiovascular relevanceDiane's Vitamin D: 28 — deficient (optimal 60-80)Diane's Testosterone: 15 — LOW (dropped from 33); directly driving libido lossGLP-1 muscle loss without adequate protein: up to 39% of lost weight can be lean mass, not fatNormal TSH with low Free T3: occurs in up to 40% of clinically hypothyroid womenLow T3 state reduces basal metabolic rate by 15-40%Paxil (paroxetine): up to 70% of patients report significant sexual dysfunctionSSRIs: cause weight resistance in 25-65% of patients depending on agentCortisol-driven fluid retention: can account for 2-5 lbs on the scale, independent of fat massPost-meal walking reduces glucose and insulin spikes by 20-30%Poor sleep: raises cortisol 15-37% the following day *********************Midlife Clarity with Dr. Tracy Page is a podcast for women over 40 navigating hormones, metabolism, strength, and healthy aging during midlife, perimenopause, and menopause.Connect with Dr. Page:Dr. Tracy Instagram: https://www.instagram.com/tracypagemd/Dr. Tracy Facebook: https://www.facebook.com/drtracypage/Connect with The Wisconsin Institute of Functional Medicine (WIFM):Website: Wisconsin Institute of Functional Medicine (WIFM)           https://wisconsinfunctionalmed.com/WIFM Instagram: https://www.instagram.com/wisconsinfunctionalmed/YouTube - Wisconsin Institute of Functional Medicine: https://www.youtube.com/channel/UC_oZu2b83V06C0szpKmUU9gDISCLAIMER: The information shared on this podcast is for educational purposes only and is not intended as medical advice. It does not replace a consultation with your own physician or qualified health care provider. Always seek professional medical guidance regarding your personal health concerns.© 2026 Dr. Tracy Page