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Meet our Clinical Director

William Chen, DO
Touro University California

As the Clinical Director for Immortal Male, Dr. William Chen is dedicated to providing exceptional testosterone replacement therapy (TRT) care for men in middle adulthood, utilizing his expertise in osteopathic medicine and telemedicine to optimize patient outcomes.

The Immortal Male clinical program is overseen and managed by Dr. Chen with a keen eye for educating the patient and offering options that fit with their symptoms, lab results, and treatment history.

What our Patients
Say About Us

David Saruk
Getting Set Up was Effortless​
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"At 34 years old I had A lot of questions and fearful concerns. Their process of getting set up was effortless. Taking the test was painless and took 20 seconds. I was most impressed and thankful for the time their staff spent with me going over my results. It was educational and they took a long time explaining and answering all my questions questions. Also they run very comprehensive panels it was impressive."
Bobby Rawson
Great Service and Very Professional
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"Overall great service and very professional. Highly recommend!
Michael Donagher
My Zest for Life is Next Level​
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"I highly recommend Immortal Male ! My testosterone levels were low, it impacted every aspect of my life. I found Immortal Male and took their course of TRT, the results have been amazing ! My zest for life is next level, my body composition has changed drastically over the past 6 months and I’m in the best shape of my life! at 54! My fiancé is happy too! Great company, great product and amazing customer service and follow up! "
Benjamin Means
Professional and Discreet​
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"The level of care from immortal male is unmatched in the industry. I have tried a few different at home TRT clinics and felt like I always received a cookie cutter approach to treatment. Immortal male took the time to discuss my treatment with me and gave me a personalized plan that corresponded to my test results. From the beginning when I first went on their website to when I received my first treatment, everything was professional and discrete. Would recommend anybody who is considering TRT, get a consultation from immortal male so you can better understand your test result and make an informed decision about treatment. 10/10 "
Justin Klosky
Fast, Efficient, Communicative Results
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"Fast, efficient, communicative results helping me better my body dynamics and think more forward to a longer healthier life. Thanks Immortal Male!"
Rob Castro
This Company is Incredible
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"This company is incredible. Amazing service, give it a try, highly recommended "

Frequently asked Questions

Immortal Male is a concierge guided testosterone replacement therapy subscription. We operate within a science-based approach that supports an ongoing conversation about how you can better understand your health and deploy tailored medical solutions to achieve your happiness and wellness goals.

Membership is reserved for men:

  • 18 years & older
  • Reside within our service areas
  • Believe that symptoms of low testosterone may be impacting their happiness, health or enjoyment of life

Our comprehensive subscription model supports concierge-level care designed for long term TRT treatment.

Membership application includes a one-time $99 at-home test kit, which provides a detailed medical assessment and recommendations for treatment from the Immortal Male medical team. Choose from several available subscriptions tailored to meet your membership goals. Medications arrive discreetly, regular check-ins measure progress, and concierge support is available at all times.

We want to improve access to quality healthcare for men, with ongoing service and a concierge level of support.

39% of men over the age of 45 have low testosterone. Medical solutions to reduce or eliminate symptoms are available, however cost, convenience, and fear of judgment often prevent men from enjoying the lifestyle they want.

At Immortal Male we provide comprehensive, tailored care that is covered by a simple monthly subscription. We provide evidence-based therapies and medication in a safe and effective way.

Our telemedicine model optimizes access and quality. Gain support from the program when you need it, including the ability to schedule visits with your prescribing physician when it’s convenient for you.

Your Immortal Male membership is completely up to you. Our subscription is month-to-month and can be canceled at any time with prior notice. For most effective results, we recommend a long term treatment plan that leverages our commitment to providing concierge-level support.

Your provider will need to confirm your identity and date of birth prior to telemedicine treatment.

We require an identifiable photo of your face, taken in real-time and that is a clear and accurate representation of you at the point in time of your online visit (i.e. not old photos of you from years ago).

  • No sunglasses or other facial obstructions
  • No pictures of pictures
  • No filters

We also require an identifiable government-issued photo ID that must include:

  • First & last name
  • Date of birth
  • Expiration date (for legal purposes your ID cannot be expired)
  • Unobstructed photo of your face

Our team is available from 6am – 6pm PST Monday through Friday at:

[email protected] or (310) 692-4505

Journal of Clinical Endocrinology and Metabolism

Stephanie T. Page, John K. Amory, F. DuBois Bowman, Bradley D. Anawalt, Alvin M. Matsumoto, William J. Bremner, J. Lisa Tenover, Exogenous Testosterone (T) Alone or with Finasteride Increases Physical Performance, Grip Strength, and Lean Body Mass in Older Men with Low Serum T, The Journal of Clinical Endocrinology & Metabolism, Volume 90, Issue 3, 1 March 2005, Pages 1502–1510, https://doi.org/10.1210/jc.2004-1933B)