HRT Isn’t Enough: Why You Still Need to Build Muscle | Solo

EP. 258:Join my NEW community for Gen X women: ⁠https://www.skool.com/drtyna/about⁠
In this episode, I’m breaking down one of the most frustrating conversations happening in women’s health right now, the claim that estrogen and hormone replacement therapy don’t support muscle mass.
The reality is more nuanced.
I walk through what the current research actually shows, where it’s strong, where it’s inconsistent, and how estrogen interacts with skeletal muscle at a physiological level. We’re talking about estrogen receptors in muscle, mitochondrial function, anabolic signaling, insulin resistance, and why outcomes around muscle are often context-dependent.
I also share what I’ve observed clinically after decades of working in a musculoskeletal setting, and how factors like metabolic health, training status, and overall tissue quality may influence how hormone therapy plays out in the real world.
This episode isn’t about claiming HRT builds muscle. It’s about understanding how estrogen affects muscle biology, and why strength training remains a non-negotiable piece of the equation.
Topics Discussed:
→ Estrogen and muscle growth
→ HRT and menopause fitness
→ Strength training for women over 40
→ Insulin resistance and muscle health
→ Hormones and metabolic health
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On This Episode We Cover:
→ 00:00:00 - Introduction
→ 00:01:24 - HRT Misinformation
→ 00:03:20 - Rejentivite Injection Therapy + HRT
→ 00:06:48 - You Must Strength Train
→ 00:07:57 - Scientific Overview
→ 00:11:19 - Building Skeletal Muscle
→ 00:14:47 - Estrogen’s Impact On Muscle
→ 00:19:44 - HRT + Metabolic Health
→ 00:24:05 - Estrogen + Muscle Pathways
→ 00:26:57 - Why Muscle Suddenly Disappears
→ 00:29:52 - Insulin Resistance
→ 00:36:36 - Quality Of Life Improvement
→ 00:40:25 - Post Menopausal Studies
→ 00:40:25 - Improving HRT
→ 00:44:26 - HRT + Muscle Environment
Show Links:
→ Transdermal Estrogen Therapy Improves Gains in Skeletal Muscle Mass After 12 Weeks of Resistance Training in Early Postmenopausal Women
→ The role of estrogen in female skeletal muscle aging: A systematic review
→ Mechanisms of Estrogen Influence on Skeletal Muscle: Mass, Regeneration, and Mitochondrial Function
→ Muscle in Endocrinology: From Skeletal Muscle Hormone Regulation to Myokine Secretion and Its Implications in Endocrine–Metabolic Diseases
→ New Meta-Analysis Shows That Hormone Therapy Can Significantly Reduce Insulin Resistance
Further Listening:
→ The TRUTH Behind Menopausal Pain & What You Can Do About It | Ep 256
Disclaimer: Information provided in this podcast is for informational purposes only. This information is NOT intended as a substitute for the advice provided by your physician or other healthcare professional, or any information contained on or in any product. Do not use the information provided in this podcast for diagnosing or treating a health problem or disease, or prescribing medication or other treatment. Always speak with your physician or other healthcare...