Thomas O'Connor, MD

Thomas O'Connor, MD I'm a board certified Internist specializing in Testosteronology® and Anabolic Recovery Medicine®
(4)

I keep a limited number of patients as a private physician to ensure you will get close monitoring of your TRT or anabolic recovery treatment. Board Certified MD
Services include:
- Testosterone Replacement Therapy
- Anabolic Steroid Recovery

WHY Article # 504 WHY Body Composition Shifts After Female Hormonal Decline Body composition changes are not just abo...
04/06/2026

WHY Article # 504

WHY Body Composition Shifts After Female Hormonal Decline

Body composition changes are not just about diet or exercise.

Hormonal shifts can change how your body stores fat, preserves muscle, and uses energy, which is why the same routine can suddenly stop producing the same results.

Explore the WHY behind hormones, symptoms, and health outcomes.

The Testosteronology® Health Portal contains a growing library of 200+ WHY Articles designed to help you understand how hormones, physiology, and lifestyle factors interact over time.

Read the full article:
https://testosteronology.com/why-articles/why-body-composition-shifts-after-female-hormonal-decline/

Explore real-world hormone and health questions through the Testosteronologist® Mailbag, where patterns are explained through clinical reasoning and lived experience.







OVER 40 AND FEELING DIFFERENT BUT NOT SURE WHY?Your body is changing whether you pay attention to it or not.Hormones shi...
04/06/2026

OVER 40 AND FEELING DIFFERENT BUT NOT SURE WHY?

Your body is changing whether you pay attention to it or not.

Hormones shift. Recovery slows. Energy changes. Metabolic function becomes less forgiving. Cardiovascular and kidney health start to matter more than ever.

If you are not adjusting your health strategy, you are falling behind what your body now requires.

Most people ignore these changes until symptoms become harder to manage.

The Testosteronology® Health Portal helps you understand what is changing, why it is happening, and how to make smarter decisions that support your health, energy, and long-term quality of life.

You can also find a Certified Testosteronologist® through the Provider Directory for more specialized support as your body evolves over time.

Your Health. Your Control.

https://testosteronology.com

Join the Testosteronology® Health Portal.

Link in bio.

WHY Article # 307 WHY Fatigue Is Often Hormonal Rather Than Psychological Feeling exhausted doesn’t always mean you’r...
04/05/2026

WHY Article # 307

WHY Fatigue Is Often Hormonal Rather Than Psychological

Feeling exhausted doesn’t always mean you’re burned out or unmotivated.

Fatigue is often driven by disrupted hormonal signaling, metabolism, oxygen delivery, and stress chemistry, which means the body may be struggling biologically even when it’s labeled as a mental or emotional issue.

Explore the WHY behind hormones, symptoms, and health outcomes.

The Testosteronology® Health Portal contains a growing library of 200+ WHY Articles designed to help you understand how hormones, physiology, and lifestyle factors interact over time.

Read the full article:
https://testosteronology.com/why-articles/why-fatigue-is-often-hormonal-rather-than-psychological/

Learn how to interpret your health using the ABCDS™ framework, connecting hormones, metabolism, and physiology into one system.







TRAINING HARD BUT NOT SEEING THE RESULTS YOU EXPECT?More workouts is not always the answer.If your recovery, hormones, a...
04/05/2026

TRAINING HARD BUT NOT SEEING THE RESULTS YOU EXPECT?

More workouts is not always the answer.

If your recovery, hormones, and overall health are not aligned with your training, progress will stall no matter how hard you push.

Energy. Recovery. Hormonal balance. Cardiovascular health. Kidney function. Blood pressure. Metabolic stability.

These are the factors that determine whether your training actually works.

Most people never look at them clearly.

The Testosteronology® Health Portal helps you understand what may be limiting your results so you can stop guessing and start making smarter decisions that support both performance and long-term health.

Explore 600+ educational videos designed to help you train smarter, recover better, and protect your health.

Your Health. Your Control.

Join the Testosteronology® Health Portal.

https://testosteronology.com

USING STEROIDS OR IPEDS BUT NOT TRACKING YOUR HEALTH THE RIGHT WAY?Most people focus on cycles, doses, and results.Very ...
04/04/2026

USING STEROIDS OR IPEDS BUT NOT TRACKING YOUR HEALTH THE RIGHT WAY?

Most people focus on cycles, doses, and results.

Very few focus on what actually determines whether they stay healthy long-term.

Cardiovascular strain. Kidney function. Blood pressure. Erythrocytosis. Fertility. Mood. Sexual health. Drug safety.

If you are not actively monitoring and understanding these, you are guessing your way through real medical risk.

The Testosteronology® Health Portal helps you understand what matters most with a structured approach to risk, monitoring, and harm-reduction so you can make smarter decisions over time.

You also get access to the Testosteronologist® Mailbag where your real questions about steroid or IPED use get answered by experts from the Testosteronology Society™.

Your Health. Your Control.

Join the Testosteronology® Health Portal.

https://testosteronology.com

ON TESTOSTERONE BUT NOT SURE YOU’RE MANAGING IT THE RIGHT WAY?Being on TRT is not the same as being managed correctly.Mo...
04/04/2026

ON TESTOSTERONE BUT NOT SURE YOU’RE MANAGING IT THE RIGHT WAY?

Being on TRT is not the same as being managed correctly.

Most people focus on how they feel or what their testosterone number says. But long-term health on testosterone depends on much more than that.

Cardiovascular health. Kidney function. Blood pressure. Metabolic markers. Erythrocytosis. Cognitive performance. Medication safety.

If these are not being tracked and interpreted correctly, you are guessing your way through your health.

The Testosteronology® Health Portal gives you the structure to understand what actually matters through the ABCDS™ framework and Health Tracker, so you can follow your health clearly over time and make better decisions with your care team.

Your Health. Your Control.

Join the Testosteronology® Health Portal.

https://testosteronology.com

04/03/2026

TESTOSTERONOLOGY IS ANABOLIC RECOVERY www.testosteronology.com TESTOSTERONOLOGY SOCIETY FOR DOCTORS / APP FOR MEMBERS / HAVE DIRECT ACCESS TO CERTIFIED TESTOSTERONOLOGISTS


04/02/2026

ON TRT AND STILL TIRED IN THE GYM?

Energy is not just testosterone.

Sleep, glucose, and recovery systems play a major role.

Understand what’s really going on with your health - inside the Testosteronology® Health Portal.

Testosteronology.com

WHY Article # 302 WHY Burnout Mimics Hormone Deficiency Burnout can feel exactly like low testosterone or hormone imb...
04/01/2026

WHY Article # 302

WHY Burnout Mimics Hormone Deficiency

Burnout can feel exactly like low testosterone or hormone imbalance, even when your labs look normal.

Chronic stress disrupts how your body receives and uses hormonal signals, leading to fatigue, brain fog, low motivation, and reduced performance that closely mirrors true hormone deficiency.

Explore the WHY behind hormones, symptoms, and health outcomes.

The Testosteronology® Health Portal contains a growing library of 200+ WHY Articles designed to help you understand how hormones, physiology, and lifestyle factors interact over time.

Read the full article:
https://testosteronology.com/why-articles/why-burnout-mimics-hormone-deficiency/







WHY Article # 610 WHY HRT Outcomes Depend On Context You can follow the same hormone therapy protocol and still feel ...
04/01/2026

WHY Article # 610

WHY HRT Outcomes Depend On Context

You can follow the same hormone therapy protocol and still feel completely different month to month.

HRT outcomes are shaped by context, not just dosage. Stress, sleep, metabolism, inflammation, and vascular health all influence how your body responds, which is why the same numbers can produce very different real-world results.

Explore the WHY behind hormones, symptoms, and health outcomes.

The Testosteronology® Health Portal contains a growing library of 200+ WHY Articles designed to help you understand how hormones, physiology, and lifestyle factors interact over time.

Read the full article:
https://testosteronology.com/why-articles/why-hrt-outcomes-depend-on-context/

Membership includes the ability to ask your own health questions directly to Certified Testosteronologists® through
Testosteronologist® Mailbag and Ask The Testosteronologist®.







Estrogen Patches and Testosterone Suppression in Prostate Cancer CareA new study is changing how hormone therapy in pros...
03/31/2026

Estrogen Patches and Testosterone Suppression in Prostate Cancer Care

A new study is changing how hormone therapy in prostate cancer is being approached.

Estrogen patches may achieve the same level of disease control as traditional injections, with fewer side effects and greater convenience.

But the real takeaway is deeper.

Testosterone is not simply something to suppress.

It is part of a complex physiologic system, and how it is manipulated matters.

This is where hormone medicine is evolving.

Read the full article:

https://testosteronologysociety.com/news/estrogen-patches-testosterone-suppression-and-complex-hormone-medicine-in-prostate-cancer

For clinicians looking to better understand testosterone, androgen, and hormone medicine, join the Testosteronology Society™.

03/31/2026

CLENBUTEROL www.testosteronology.com TESTOSTERONOLOGY SOCIETY FOR DOCTORS / APP FOR MEMBERS / HAVE DIRECT ACCESS TO CERTIFIED TESTOSTERONOLOGISTS

Address

2151 East Commercial Boulevard Suite 302
Fort Lauderdale, FL
33308

Opening Hours

Monday 9am - 5pm
Tuesday 9am - 5pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 5pm

Telephone

+18609046779

Website

https://linktr.ee/Testosteronology

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I keep a limited number of patients as a private physician to ensure you will get my full attention whenever, wherever you need it. Concierge/Retainer medical services are first class and you deserve the best when it comes to your health and well being. Board Certified MD Concierge Services include: - Mens Health - Testosterone Replacement Therapy - Anabolic Steroid Recovery - Heart & Diabetes Care