Testosterone Therapy for Women: The Evidence, the Controversy, and What Actually Works

Testosterone therapy for women is one of the most common questions I hear. It still surprises me how rarely it comes up in the standard menopause workup. Women in their 40s and 50s describe the same pattern. No interest in sex. Flat energy that sleep does not fix. A mental sharpness replaced by something slower and less reliable. Their thyroid panel is normal. Their estrogen, at least by conventional standards, looks “fine.” Nobody checked their testosterone. I’ve had this conversation more times than I can count.

Here is the basic biology that most women never hear: testosterone is not a male hormone. Women produce it too, primarily in the ovaries and adrenal glands. It acts on receptors throughout the brain, muscles, bones, and genital tissue. Testosterone peaks in the early 20s and declines steadily, dropping roughly 50% between a woman’s 20s and mid-40s. Surgical ovary removal can drop testosterone an additional 40 to 60% overnight. But even in natural menopause, the decline is real and the effects are felt.

The research on testosterone therapy women can access is more nuanced than social media makes it seem. For sexual health, the evidence is strong and backed by large trials. For other claimed benefits like muscle, mood, and memory, the picture is far less clear. Here is what the data shows, with nothing oversimplified.

What Testosterone Therapy Does for Women’s Sexual Health

The strongest evidence for testosterone therapy in women centers on hypoactive sexual desire disorder (HSDD), the clinical term for low sexual desire that causes personal distress. The research here is solid.

Seven randomized controlled trials enrolled 3,035 women. Specifically, the meta-analysis found that 300 mcg/day transdermal testosterone produced a 67% increase in sexual desire and frequency of satisfying sexual activity at 24 weeks compared to placebo. That is not a subtle effect. For women dealing with low libido that has erased intimacy from their relationships, the evidence behind testosterone therapy women seek for this indication is real and peer-reviewed.

Specifically, the benefit holds whether menopause is natural or surgical. It also appears independent of whether the woman takes estrogen alongside it. Here’s what that means: if your libido dropped after menopause and your doctor dismissed it as “just getting older” without checking testosterone, you did not get complete care.

Who Backs Testosterone Therapy for Women

Two major professional bodies now recommend testosterone therapy for HSDD in women after menopause. The International Society for the Study of Women’s Sexual Health (ISSWSH) and the British Menopause Society, whose 2026 clinical guidelines address this directly, both endorse its use. This is not fringe medicine. Major professional bodies support it.

A 2026 review of testosterone pellet therapy outcomes covered 10 years of data. It found sustained relief from androgen deficiency. Benefits held independent of patient age and peak testosterone levels. Relief was rapid and lasting.

Testosterone Therapy for Women: Where the Evidence Is Weak

Here is where I have to be straight with you, because the internet is not. On social media, testosterone therapy comes packaged with bold claims: it will restore muscle, lift depression, fix brain fog, prevent bone loss, and protect the heart. Susan Davis, PhD, was direct at The Menopause Society 2025 Annual Meeting. Her conclusion: no justification exists for giving testosterone to prevent muscle loss, bone fractures, heart disease, depression, or mental decline in women.

Here’s what the trial data actually shows. A 2019 meta-analysis by Islam et al. in Lancet Diabetes and Endocrinology found no improvements in lean body mass or muscle strength at physiologic testosterone doses. Most studies enrolled fewer than 20 participants per treatment arm. Doses well above normal female levels, as high as 210 ng/dL, produced only an extra 15 seconds of running time in young athletes. Additionally, a large trial of older women after hip fracture who received high-dose testosterone plus exercise showed no improvement in walking distance, bone density, or daily functioning.

Translation: the muscle and bone claims are not supported by current trial data. The mood data is mixed. The sexual health data is where the evidence is genuine and strong.

The Risk Profile at Physiologic Doses

That said, testosterone is not without risk at any dose. Doses well above normal female ranges can cause acne, excess facial hair, voice changes, and other effects that do not fully reverse when treatment stops. So the goal is not raising testosterone into male ranges. The goal is identifying true androgen deficiency and correcting it precisely.

How Testosterone Therapy Women Actually Need Gets Identified

Here is what I find in practice: testosterone deficiency in women is undertested, often dismissed, and rarely part of the standard menopause workup. Women come to Living Well Dallas after years of being told their hormone panel “looks fine.” Nobody ran a testosterone level. Or they ran it with the wrong test.

Measuring testosterone in women is genuinely hard. Standard immunoassay blood tests are not accurate at the low concentrations women carry. In other words, a “normal” result from a general lab using general reference ranges is often not meaningful. A high-quality assay, ideally mass spectrometry, run through a lab that applies female reference ranges, gives far more accurate results. Most conventional offices do not offer this. And no single blood level defines “testosterone deficiency syndrome” in women. The clinical picture requires matching symptoms to labs and ruling out other causes.

The overlap with other hormone deficiencies adds another layer. Low cortisol, low estrogen, and low thyroid function can all produce the same flat, disconnected feeling as low testosterone. So running testosterone in isolation misses the picture. At Menrva Health, the hormone panel includes testosterone alongside estrogen, progesterone, DHEA-S, cortisol, and thyroid. These systems talk to each other. You need the full conversation to find the real answer.

Key Takeaways

Testosterone therapy for women has strong trial evidence for sexual health: a meta-analysis of 3,035 women showed a 67% increase in sexual desire with 300 mcg/day transdermal testosterone versus placebo.
There is no good trial evidence that testosterone prevents muscle loss, bone fractures, heart disease, depression, or mental decline in women. These claims outrun the data.
Testosterone peaks in a woman’s early 20s and drops roughly 50% by her mid-40s. Surgical ovary removal causes an additional 40 to 60% drop.
Standard immunoassay labs often cannot accurately measure testosterone at female concentrations. Many “normal” results come from the wrong test on the wrong reference range.
The International Society for the Study of Women’s Sexual Health and the British Menopause Society (2026) both recommend testosterone for HSDD in women after menopause. This is not alternative medicine.

Frequently Asked Questions

What does testosterone therapy do for women? The strongest supported benefit is for low sexual desire (HSDD). A meta-analysis of 3,035 women found a 67% improvement in sexual desire and satisfying sexual activity at 24 weeks with transdermal testosterone. Benefits for energy, muscle, mood, and bone are far less consistent in current trial data and remain an active area of research.

Do testosterone levels get tested accurately in women? Often, no. Standard immunoassay blood tests lack precision at the low concentrations women carry. A specialty assay using mass spectrometry, run through a lab that applies female reference ranges, gives more accurate results. Women whose labs run at general labs with general reference ranges often receive a “normal” result that does not reflect their actual status.

Who Needs Testosterone Therapy and What to Expect

How do I know if I need testosterone therapy? Symptoms of androgen deficiency in women include low sexual desire, flat energy that sleep does not restore, reduced drive, and mental slowness. These overlap with low estrogen, thyroid disorders, and high stress, so accurate testing and symptom correlation matter. A clinician experienced in female hormone health should review the full panel before recommending testosterone therapy.

What are the risks of testosterone therapy in women? At physiologic doses (restoring testosterone to normal female ranges, not male ranges), testosterone therapy carries a favorable short-term safety record. Doses well above female-normal levels bring risks: acne, oily skin, excess body hair, voice lowering, and other changes that may not fully reverse. Working with a clinician who doses to female ranges and monitors regularly matters considerably.

Long-Term Evidence and Safety

How long can women stay on testosterone therapy? A 2026 retrospective review found that women on long-term testosterone maintained relief from androgen deficiency for up to 10 years. Benefits held independent of age and peak testosterone levels. Ongoing monitoring of labs and symptoms is standard practice. There is no general consensus on a maximum duration; individualized reassessment drives the decision.

Is testosterone FDA-approved for women? No FDA-approved testosterone product exists for women in the United States. Women access testosterone through compounding pharmacies or off-label use of low-dose formulations. The British Menopause Society (2026) and ISSWSH both recommend it for HSDD despite the lack of US approval, and several European countries have approved formulations. A physician who knows the compounding and dosing landscape is key to doing this well.

Dr. Betty’s Bottom Line

Testosterone therapy for women is not a mystery. The evidence for sexual health is solid, with over 3,000 women in randomized controlled trials backing its use for HSDD. In contrast, the evidence for muscle, bone, mood, and memory is not there yet. The safety record at physiologic doses is reassuring. So that should make this a fairly clear clinical decision.

What makes it complicated is the system. Most doctors do not test testosterone in women at all. Many who do use inaccurate assays. The FDA has no approved product, so women either find a clinician who knows compounding or they go without. Social media fills the gap with overclaims in one direction. A few academic voices overcorrect in the other, dismissing any benefit across the board.

My position: testosterone therapy is one of the most underused, well-supported treatments available for women with true HSDD. The sexual health evidence is real and consistent. That said, the other claims need more data before I make them to patients. There is a difference between what the evidence supports now and what future research may show. I work with what we have.

At Living Well Dallas, testosterone assessment is part of a complete hormone workup that includes testing method, symptom correlation, and clinical judgment. Menrva Health offers the same thorough hormone evaluation through telehealth across all 50 states.

In-person care at Living Well Dallas is available for patients in the Dallas area. Menrva Health offers comprehensive hormone evaluation, including testosterone assessment, through telehealth in all 50 states.

Sources:

“The benefits of testosterone therapy for menopausal symptoms.” Clinical Obstetrics and Gynecology / PMC, 2026. PMC12808602
Islam RM, Bell RJ, Green S, Page MJ, Davis SR. “Safety and efficacy of testosterone for women: a systematic review and meta-analysis of randomised controlled trial data.” Lancet Diabetes Endocrinol. 2019;7(10):754-766. doi:10.1016/S2213-8587(19)30189-5.
Davis SR. “Androgens for muscles, mood, and more.” Presented at The Menopause Society 2025 Annual Meeting, October 2025, Orlando, FL. Reported by AJMC, October 31, 2025. AJMC summary.