Videos / Book

The HormoneSynergy Story - "A new paradigm in medicine"

Gut Health, Heart Disease & Hormone Balance w/ Dr. Kathryn Retzler


Oregon Chiropractic Association 2015 Part 1


Oregon Chiropractic Association 2015 Part 2


Oregon Chiropractic Association Part 3


Oregon Chiropractic Association 2015 Part 4


Oregon Chiropractic Association 2015 Part 5

HormoneSynergy Bioidentical Hormone and Age Management Seminar

Introduction -  Doctor Kathryn Retzler

Optimal Aging - A New Paradigm in Medicine

Our Health Journey Begins

Theories of Aging

Your Sex Hormones - Testosterone, Estrogen, and Progesterone

Stress Hormones, Thyroid Hormones and Obesity

Hormone Imbalance Symptoms in Women and Men

Andropause and Symptoms of Low Testosterone in Men

Symptoms of Low Thyroid Hormone

Symptoms of Adrenal Hormone Imbalance

Causes of Hormone Imbalance and Environmental Toxicity

Testing Hormones and other Bio-markers of Aging

HormoneSynergy Step 1 - Decreasing Stress

HormoneSynergy Steps 2 and 3 - Healthy Diet and Exercise

HormoneSynergy Steps 4, 5, 6 and 7 - Sleep, Detox, Weight, Supplements

Preventing Dementia and Alzheimer's

HormoneSynergy Step 8 - Bioidentical Hormones

Breast and Prostate Cancer, Bioidentical Hormone Options
Copyright 2013 Dr. Kathryn Retzler and HormoneSynergy Inc. This material is for private educational use only. The information provided on this website or in these videos is not intended to diagnose or treat any health related problem. Please call the offices of Dr. Kathryn Retzler to schedule an appointment or consult your primary care physician to discuss whether natural supplements, prescription drugs, or bioidentical hormones are recommended for you.


*We are a holistic longevity medical practice specializing in Bioidentical Hormones, Age Management and Functional Medicine. Our mission is to prevent, slow, and treat age and lifestyle-related disease. We only prescribe hormones within the context of a comprehensive treatment plan with the goal of helping you achieve optimal health and well being. We do not prescribe hormones to anyone with a history of illegal steroid use, bodybuilders, or anyone looking for isolated improvements in sports performance. No medications or hormones will ever be dispensed by HormoneSynergy Clinic LLC or Dr. Retzler without an in office consultation, comprehensive medical evaluation, laboratory testing, a prescription, and proper follow up protocols. This clinic does not prescribe growth hormone for anti-aging purposes.