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Are Testosterone Pills Right for You? 7 Things to Consider

Nathan Williams, PharmD, RYTChristina Palmer, MD
Published on May 13, 2024

Key takeaways:

  • Testosterone undecanoate (Jatenzo, Kyzatrex, Tlando) is a prescription-only medication used to treat low levels of testosterone, the main sex hormone in males. It’s available as an oral pill.

  • It’s normal for testosterone levels to dip with age. But this can also happen because of issues with the testicles or brain. Low testosterone may cause problems such as changes in muscle mass, libido, or fertility.

  • Testosterone replacement therapy can help restore your testosterone levels, but it comes with some risks. Talk with your healthcare professional before starting a testosterone replacement routine.

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Testosterone is an important androgen, or male sex hormone. It impacts many aspects of health, such as fertility, muscle mass, and libido. 

As people grow older, testosterone levels naturally decline. This is a normal part of life, and swapping out testosterone for wisdom isn’t necessarily a bad thing. However, sometimes, testosterone levels can fall for reasons that are unrelated to age. And this can impact how a person feels on a daily basis.

A testosterone replacement pill may be the right solution in these cases. But testosterone pills come with some risks. Coming up is a deep dive into testosterone pills, with seven things to consider before trying testosterone replacement therapy.

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1. There are three FDA-approved testosterone pills

Testosterone undecanoate (Jatenzo, Kyzatrex, Tlando) is a testosterone replacement pill. The medication was first approved in the 1950s. And it’s now produced by multiple manufacturers. All versions of this testosterone pill are usually taken twice a day with food, though there are some differences between brands.

Jatenzo is an oral (taken by mouth) capsule that comes in three doses: 159 mg, 198 mg, and 237 mg. Kyzatrex is also a capsule that comes in a trio of doses: 100 mg, 150 mg, and 200 mg. Tlando is only available as a 112.5 mg capsule.

GoodRx icon
  • Is your testosterone low? Learn how to spot common symptoms of “low T.”

  • Beyond the pills: In addition to the pills, there are several other testosterone replacement options for you to consider. Here’s how to weigh your options.

  • Not all the options are safe. SARMs are unapproved workout supplements that mimic androgens like testosterone. Here’s why you should generally avoid them.

2. Want to start taking oral testosterone? Only certain people qualify for treatment

Testosterone pills are approved to treat two forms of low testosterone: primary hypogonadism and hypogonadotropic hypogonadism.

Primary hypogonadism is when the testicles themselves don’t produce enough testosterone. Many situations can contribute to this, including:

  • Testicular torsion, or twisting of the testicles

  • Chemotherapy side effects

  • Lack of testicles

  • Undescended testicles

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Hypogonadotropic hypogonadism occurs when there’s a problem with the area of the brain that signals testosterone production. This can happen because of genetic reasons that are present at birth. Or it can result from issues that occur later in life. Pituitary tumors, high prolactin levels, and brain damage, among other possibilities, are common examples. It can also be a side effect of long-term use of medications such as opioids or corticosteroids.

Good to know: Testosterone pills aren’t typically prescribed for gender-affirming hormone therapy (GAHT). Testosterone injections and testosterone gel are the two main methods used for GAHT. Testosterone pills aren’t typically prescribed to treat age-related testosterone deficiencies, either.

3. Unapproved testosterone supplements can be risky

Testosterone supplements are nonprescription products that claim to boost testosterone levels. These “T boosters” — or testosterone boosters — are appealing to many because they are marketed as a way to raise testosterone levels without a prescription. But these supplements are unregulated and often untested. This is also true for selective androgen receptor modulators (SARMs).

One study found that over 60% of T-booster supplements didn’t have available data about their effects on people. What’s more, less than 25% of the T boosters studied had data showing a meaningful impact on testosterone. In fact, 10% of the T boosters studied included ingredients thought to lower testosterone.

Even more concerning is that some supplements contained high amounts of vitamins and minerals that are considered unsafe to take regularly in large doses. This included large amounts of zinc, magnesium, and vitamin B.

4. Getting a valid prescription for testosterone helps keep you safe

If you think you might have low testosterone, the best place to start is a conversation with a healthcare professional. Your general practitioner or a specialist, like an endocrinologist, can evaluate your needs, order appropriate tests, and provide you with a valid prescription if appropriate. This is an important step because quality testosterone is only available via prescription. They can also refer you to a reputable pharmacy that keeps testosterone in stock.

Just keep in mind: Even if a healthcare professional determines testosterone pills are right for you, they still come with some risk and side effects.

5. Taking testosterone can cause side effects

Testosterone is linked to a number of side effects. Common oral testosterone side effects include:

  • Increased hematocrit, or a high number of red blood cells

  • High blood pressure

  • Lower levels of high-density lipoprotein (HDL), or “good,” cholesterol

  • Headache

  • Nausea

  • Acne

  • Enlarged prostate

  • Worsened sleep apnea

  • Mood changes

  • Sexual changes

  • Enlargement of breast tissue (gynecomastia)

Testosterone replacement therapy comes with more significant health risks as well. It can raise your risk for heart attacks, strokes, and blood clots in your arms or legs. These heart-related conditions are medical emergencies that warrant a 911 call or a trip to the ER. 

There are other risks to keep in mind, too. Testosterone is sometimes used inappropriately by athletes and bodybuilders to improve performance or appearance. Taking testosterone outside of how it’s prescribed raises the risk for dependence and other serious side effects. Testosterone is a controlled substance because of this risk. 

While you’re taking testosterone pills, you should receive routine tests to proactively monitor your health. And if you notice any new or bothersome side effects, be sure to discuss them with your prescriber.

6. Testosterone is different than methyltestosterone

Although they’re sometimes used similarly, methyltestosterone (Android 25, Methitest) and testosterone are different medications. Methyltestosterone is a lab-made cousin of testosterone. It can be used for testosterone replacement in men, as well as advanced breast cancer in women. 

Like testosterone, methyltestosterone comes as a pill. But methyltestosterone isn't prescribed often because it can cause serious side effects — notably, liver injury

7. Your prescriber can help you decide on the best way to receive testosterone replacement therapy

Before starting testosterone replacement therapy, your healthcare professional may encourage you to try other ways to naturally increase your testosterone levels. These options can increase testosterone without the risks of hormone replacement. They can also positively contribute to your health more broadly, too. Top recommendations include:

Measures like these aren’t always enough, though. If blood tests show that your morning testosterone is below 300 ng/dL, testosterone replacement therapy may be a good option. And you’ll have several options to choose from. Other than pills, testosterone comes as:

  • Injections

  • Patches

  • Implanted pellets

  • Skin gels

  • Nasal gels

The bottom line

Testosterone undecanoate (Jatenzo, Kyzatrex, Tlando) is a prescription-only testosterone pill. Testosterone is an important hormone that plays a role in developing and maintaining male sex characteristics. Testosterone replacement therapy can help restore testosterone levels, but it comes with some potentially serious side effects and risks, including heart problems. Your healthcare professional can tell you if testosterone replacement therapy is an option for you.

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Why trust our experts?

Nathan Williams, PharmD, RYT
Nathan is a clinical pharmacist, certified yoga instructor, and medical content writer. His clinical practice has spanned several sub-specialties including: emergency medicine, nutrition, and pediatrics.
Joshua Murdock, PharmD, BCBBS
Joshua Murdock, PharmD, BCBBS, is a licensed pharmacist in Arizona, Colorado, and Rhode Island. He has worked in the pharmacy industry for more than 10 years and currently serves as a pharmacy editor for GoodRx.
Christina Palmer, MD
Christina Palmer, MD, is a board-certified family physician with a special interest in chronic care management, women’s health, mental health, and preventive care. She has over 10 years of experience in primary care research, innovation, and practice.

References

American Association of Clinical Endocrinology. (n.d). What is an endocrinologist?

American Red Cross. (n.d.). What does hematocrit mean?

View All References (12)

Balasubramanian, A., et al. (2019). Testosterone imposters: An analysis of popular online testosterone boosting supplements. The Journal of Sexual Medicine.

Bassil, N., et al. (2009). The benefits and risks of testosterone replacement therapy: A review. Therapeutics and Clinical Risk Management. 

Clemesha, C. G., et al. (2020). ’Testosterone boosting’ supplements composition and claims are not supported by the academic literature. The World Journal of Men's Health.

Dandona, P., et al. (2010). A practical guide to male hypogonadism in the primary care setting. International Journal of Clinical Practice.

Handelsman, D. J. (2020). Androgen physiology, pharmacology, use and misuse. Endotext.

Marium Pharmaceuticals. (2022). Kyzatrex - (testosterone undecanoate) capsules, for oral use [package insert]

MedlinePlus. (2023). Hypogonadotropic hypogonadism

Mulhall J. P., et al. (2022). Evaluation and management of testosterone deficiency: AUA guideline. The Journal of Urology. 

Patterson, A. D., et al. (2010). Xenobiotic metabolism – A view through the metabolometer. Chemical Research in Toxicology.

ScienceDirect. (n.d.). Methyltestosterone.

Tolmar, Inc. (2023). Jatenzo - (testosterone undecanoate) capsules, for oral use [package insert]

U.S. Department of Veteran Affairs. (2024). Improving low testosterone naturally

GoodRx Health has strict sourcing policies and relies on primary sources such as medical organizations, governmental agencies, academic institutions, and peer-reviewed scientific journals. Learn more about how we ensure our content is accurate, thorough, and unbiased by reading our editorial guidelines.

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