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Backed by Science. Designed for You.

Testosterone replacement therapy that’s built around your unique biology, lifestyle and goals—guided by board-certified doctors every step of the way.

Thrive couple and kyzatrex

Take Control with KYZATREX®

A SAFE, EFFECTIVE, AND FDA-APPROVED ORAL TESTOSTERONE
  1. Complete the 5-minute questionnaire
  2. Visit one of our lab partners for your hormone panel (Labs are included in price—all you have to do is show up)
  3. Video consult with your Thrive physician
  4. Receive your Rx in the mail and start Thriving

$249/month

Includes physician visit, hormone panel, and medication

NOT JUST TREATMENT—TRUE MEDICAL CARE

A Smarter, Modern Approach to Testosterone

Your test results, ongoing check-ins, and physician oversight help keep your treatment safe, effective, and always evolving with your needs. 

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thrive client getting lab work done

DATA-DRIVEN DECISIONS

Built Around You

Your treatment plan is guided by your hormone levels, lifestyle, and goals so you get care that’s built to work for your body. It’s continuously optimized as your needs evolve, helping you feel energized, focused, and performing at your best every day.

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Thrive TRT client exercising

EXPERTISE YOU CAN TRUST

Physician-Guided Treatment

Our board-certified doctors take their time to understand the full picture—from hormone panels to how you’re actually feeling day-to-day. Every decision is grounded in clinical expertise and made with your goals in mind. From selecting the right treatment to adjusting your plan over time, you’ll get thoughtful, ongoing medical care—not a preset protocol. 

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Thrive TRT couple

OPTIMIZE OVER TIME

Progress Without Compromise

Your hormone levels are monitored regularly to ensure your treatment stays on track. These ongoing check-ins give your doctor the insights needed to adjust your plan—keeping testosterone balanced, side effects minimal, and results optimized.

Clinical Precision for Real-World Results

We’re here to provide you more than medication—we’re here to support your journey to feeling your best.

Next Generation Oral Testosterone

We prescribe KYZATREX® because of its FDA approval, strong bioavailability, and consistent results without liver toxicity. When clinically appropriate, your doctor will prescribe an alternative or additional medication that better suits your individual needs. 

Have Questions?

We have answers.

Finding the right testosterone treatment can feel overwhelming, but you don’t have to figure it out alone. Whether you’re curious about costs or what to expect, our team is here to make things clear. Explore our FAQs and get the guidance you need to feel confident moving forward.

Testosterone is the hormone that makes men, men. Produced in the testicles, it’s the driving force behind muscle growth, body and facial hair, a deeper voice, and even sperm production. It’s what fuels male sexual development, especially during puberty. But as you age, testosterone levels drop—it’s just biology. For some men, those levels drop too low. That’s called Testosterone Deficiency Syndrome (TD) or Low Testosterone (Low T). When your body doesn’t have enough testosterone, you can feel the difference, and it’s not something you have to accept.

Low testosterone, or hypogonadism, hits hard in many areas—physically, sexually, emotionally, and mentally. Physically, it can lead to fatigue, muscle loss, weaker bones, added body fat, and urinary issues. Sexually, men may face a drop in libido, erectile dysfunction, and fewer morning erections. Emotionally and mentally, it can trigger depression, mood swings, and problems with focus and memory. Other signs include hair loss, breast tissue development (gynecomastia), and infertility. These symptoms can seriously impact your quality of life, so it’s important to get checked if you’re experiencing any of them.

KYZATREX® is an FDA-approved oral testosterone for men who have low or no testosterone levels due to certain medical conditions. It helps increase testosterone levels, addressing issues like reduced libido, fatigue, and muscle loss. KYZATREX® is an immediate-release oral testosterone undecanoate. It is absorbed through the lymphatic system, avoiding the liver’s initial breakdown, which helps maintain stable testosterone levels. Once in the body, KYZATREX® converts to active testosterone, which binds to receptors in muscles, bones, and other tissues, improving energy, sex drive, and muscle mass. Testosterone works by binding to androgen receptors, which then regulate genes involved in male health and development. This process supports muscle growth, bone density, and sexual function—making KYZATREX® a powerful solution for tackling low testosterone levels.

KYZATREX® is safe—for you and your liver. We’ve designed our formula to be gentle on your body while delivering powerful results. Our oral TRT is designed for optimal absorption—bypassing your liver to prevent damage. This means you can experience the benefits of TRT without the potential liver strain associated with other forms of TRT.

Yes, after completing the sign up process, you'll schedule your hormone panel and then schedule a video visit with one of our board-certified doctors. They're not just going to write a prescription and send you on your way. You get thoughtful, ongoing medical care—not a preset protocol.

Your Thrive physician will take their time to understand the full picture. Every decision is grounded in clinical expertise and made with your goals in mind so you feel confident every step of the way. By signing up, you unlock trusted, personalized guidance before your treatment even begins. 

Dive-In Deeper

Signs and Symptoms of Low Testosterone in Men
09 Jan ‘25

Signs and Symptoms of Low Testosterone in Men

How do you know if oral testosterone is the right fit for you? Let's break down the pros and cons, ...

Can TRT Improve Your Libido? Everything You Need to Know
26 Mar ‘25

Can TRT Improve Your Libido? Everything You ...

Learn how testosterone replacement therapy (TRT) helps boost male libido, improve erectile ...

What Is Free Testosterone?
12 Mar ‘25

What Is Free Testosterone?

What is Free Testosterone? And how does KYZATREX® enhance Free T in your body? Let's break it down:

What You Need to Know Before Starting Testosterone Replacement Therapy (TRT)
06 Jan ‘25

What You Need to Know Before Starting ...

Before starting TRT, it’s essential to understand the therapy, its potential impact, and what’s ...

How Poor Sleep Lowers Testosterone Levels
09 Apr ‘25

How Poor Sleep Lowers Testosterone Levels

Discover how bad sleep lowers testosterone levels and sabotages your energy, strength, and ...

KYZATREX® is an FDA-approved prescription oral testosterone replacement therapy classified as a Schedule III controlled substance by the DEA. A required online consultation with a healthcare provider will determine if a prescription is appropriate. Your clinician will make a treatment decision based on your medical history and overall health after the completion of a telehealth consultation.