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Find the root cause of your symptoms with Defy Medical.

"Why do I feel this way?"

Feeling a decline in drive, energy, and libido? Defy Medical uses in-depth consultations, comprehensive blood testing, and a decade of experience to develop customized treatments via telemedicine.

Feel better. Defy expectations.

Defy Medical

The World’s Leading Hormone Replacement Clinic

Defy Medical has guided thousands of patients to living healthier, happier lives – and we’re ready to help you. Our experienced care team specializes in hormone restoration and integrative therapies designed to help you feel better.

Get Started
Man and woman taking the Defy Medical quiz on their laptop.

Wondering if HRT is right for you?

Take our 3-minute quiz to see if you may be a candidate for Hormone Replacement Therapy.

This quiz is meant to provide guidance and is not intended to be medical advice. Blood testing and consulting with a knowledgeable provider are required to diagnose hormone deficiency.

Take the Quiz

Some of Our

Core Services

For Men

Learn MoreA man smiles as he runs near a bridge and body of water, showing the benefits of Testosterone Replacement Therapy online.

Testosterone Replacement Therapy

Optimize your levels and performance with a customized treatment plan for low Testosterone (hypogonadism).

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Learn MoreA black man hugs his partner, a black woman, as they smile because they successfully treated erectile dysfunction (ED).

Erectile Dysfunction

Regain satisfaction with your sex life and enhance your sexual performance. Find effective and affordable therapies for erectile dysfunction.

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For Women

Learn MoreA mature woman sits on a couch smiling in a yellow sweater, showing the success of her hormone therapy.

Hormone Therapy

Combat the effects of hormone imbalance and regain your zest for life with Bioidentical Hormone Replacement Therapy (BHRT).

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Learn MoreA man and woman smile at the camera as the woman hugs the man from behind, celebrating their treatment of female sexual dysfunction.

Sexual Dysfunction

Enhance intimacy with treatments designed to boost libido, improve sensation, and ease pain during intercourse.

Learn More

Meet our Care Team

Led by Medical Director Dr. Justin Saya, our care team has extensive experience in hormone restoration, sexual health treatment, and integrative wellness. They’re passionate about helping patients improve their lives and feel their best.

See Our Providers

What Our Patients are Saying

Showing our most recent 4- & 5-star reviews.

TrustScore 5 out of 5 See All 509 Reviews on Trustpilot

Read More Patient Stories

“She was very helpful and humorous.”

Visited on December 2, 2022

She was very helpful and humorous.


5 out of 5

“She listens and is very attentive.”

Visited on December 1, 2022

She listens and is very attentive.


5 out of 5

“Ben was great and informative as always.”

Visited on December 2, 2022

Ben was great and informative as always.


5 out of 5

“3month follow up”

Visited on December 2, 2022

Ben is an exceptional provider!! Great listener-felt he understood my concerns, explained in detail and examples to where I could understand my labs, and gave info for the next steps in my journey. My experiences so far with Defy have been great and I’m truly thankful for all those who’ve help with my care!


5 out of 5


Visited on December 2, 2022

Professional experience


5 out of 5

“Luck to be his patient.”

Visited on December 1, 2022

Alway professional, good bedside manner, highly competent, always instilling trust in his assessments. Dr Saya has monitored my charts for years and has kept me at optimal performance throughout. Thank you!

–S Lopez

5 out of 5

“Melissa is compassionate and always…”

Visited on December 2, 2022

Melissa is compassionate and always listens to my concerns. She is professional and has a wealth of knowledge that allows me to be comfortable in her care. As a registered nurse, I aspire to care for my patients in the same manner that Melissa exhibits. She has been a blessing to me!


5 out of 5

“Dr Caulkin was very friendly”

Visited on December 1, 2022

Dr Caulkin was very friendly, thoughtful and knowledgeable. Highly experienced and very detailed which was helpful to me and made me feel more at ease. Praying that these therapies will get me back to “normal”


5 out of 5

“Overall very caring and kind experience!”

Visited on December 1, 2022

Overall very caring and kind experience!


5 out of 5

“Always a great experience”

Visited on December 1, 2022

The entire staff at Defy has always been great to work with and helpful in every part of the process.


5 out of 5