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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

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

Testosterone Replacement Therapy

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

Learn More About Testosterone Replacement Therapy

Erectile Dysfunction

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

Learn More About Erectile Dysfunction

For Women

Hormone Therapy

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

Learn More About Hormone Therapy

Sexual Dysfunction

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

Learn More About Sexual Dysfunction

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 4224 Reviews on Trustpilot

Read More Patient Stories

“Dr. Caulkins is Great”

Visited on October 13, 2026

Dr. Caulkins is fantastic. So easy to talk with, troubleshoots, full of knowledge and really great at what he does. I’ve recommended him to several family members.

–OWEN,CASSIE

5 out of 5

“Thank you Michael for being completely…”

Visited on October 14, 2026

Thank you Michael for being completely professional and also personable during our conversation. You covered all the information necessary and answered all my questions.

–Mark Tammaro

5 out of 5

“Always great service”

Visited on October 14, 2026

This was my first time dealing with Robin. She was very nice and walked through all my blood work and answered all my questions.

–MARK

5 out of 5

“Excellent service”

Visited on October 16, 2026

Staff has always been kind and professional. The clinician was very knowledgeable, thorough, and patient. I never felt rushed or pressured into any specific treatment path.

–AlexD

5 out of 5

“Amazing customer service!”

Visited on October 16, 2026

Amazing customer service!! I’m able to get a hold of someone anytime I need to. The doctors and staff are all very knowledgeable and helpful. I highly recommend Defy!

–Heather

5 out of 5

“She was Professional.”

Visited on October 15, 2026

She was Professional.

–BRENNEN,BILLY

5 out of 5

“Morgan was kind caring and patient”

Visited on October 17, 2026

Morgan was kind caring a patient. She listened and seemed to care about my concerns and needs

–Cheron Reed

5 out of 5

“She was AWESOME!”

Visited on October 18, 2026

She was AWESOME!! She made such a great recommendation, and I researched afterwards and realized, she was 100% on the mark and I am a perfect candidate for the product she recommended. She ROCKS❤️🙏

–LONGENBACH,APRIL

5 out of 5

“Ben did a great job and answered all my…”

Visited on October 17, 2026

Ben did a great job and answered all my questions.

–BROWN,JAMES

5 out of 5

“Ben takes time to listen to your needs”

Visited on October 19, 2026

Ben takes time to listen to your needs

–ARNOLD,RICHARD

5 out of 5