Longevity Medicine & Hormone Optimization in Portland, Oregon

At HormoneSynergy®, we believe aging is inevitable—but how you age is optional. Our mission is to help you achieve optimal health, energy, and vitality at every stage of life through a personalized, science-driven approach that integrates longevity medicine, functional health, and advanced diagnostics.

Under the leadership of Dr. Kathryn Retzler, a nationally recognized expert in age management and hormone therapy, we provide cutting-edge solutions designed to support physical, mental, and emotional well-being—not just the prevention of disease.


Comprehensive Longevity & Functional Health Services

At HormoneSynergy®, we combine evidence-based medicine with advanced testing and tailored therapies to create programs for long-term vitality and wellness:

  • Age Management & Longevity Medicine – Science-backed strategies to help slow aging and improve energy.

  • Bioidentical Hormone Replacement Therapy (BHRT) – Including testosterone therapy for men and women to restore hormone balance.

  • Functional Medicine & Lifestyle Optimization – Nutrition, supplements, fitness, and sleep plans designed for whole-body health.

  • Cognitive Health & Preventive Care – Cutting-edge therapies to support brain health, memory, and metabolic resilience.


Why Patients Choose HormoneSynergy®

  • Physician-Led Expertise – Led by Dr. Kathryn Retzler, a pioneer in functional and longevity medicine.

  • Personalized, Data-Driven Care – Every protocol is built on comprehensive lab testing and imaging diagnostics.

  • Advanced Technology – Including Cleerly® AI cardiac imaging, DEXA body composition scans, and metabolic health testing.

  • Functional & Preventive Focus – Beyond symptom relief, we target root causes to optimize long-term health.


Serving Portland, Lake Oswego & Beyond

Located in Portland, Oregon, HormoneSynergy® serves patients throughout the Pacific Northwest seeking functional medicine, hormone optimization, and longevity-focused care. Whether you want to improve energy, restore mental clarity, or slow the aging process, our clinic provides personalized solutions for a healthier future.


Take Control of How You Age

Your healthspan matters as much as your lifespan. At HormoneSynergy®, we help you look, feel, and live your best with a science-based approach to aging well.

Schedule a Consultation Today →