Testosterone in Perimenopause: What It Does and Doesn't Do

Updated August 2026

You typed "testosterone for women" into a search bar for a reason. Maybe your energy fell off a cliff. Maybe the brain fog makes you reread the same email three times. Everywhere you look, someone promises that this one hormone is the answer to all of it.

Then you read a little closer, and the picture gets narrower. The strong evidence points to one thing, and it may not be the thing you came looking for.

That gap is worth understanding before you book an appointment or add a compounded cream to your routine. What follows is a clear map, not a verdict on your choices.

Key takeaways

• Testosterone is a normal, important hormone in women's bodies, made by the ovaries and adrenal glands. It declines slowly with age, starting in the mid-30s.
• The only well-supported use is low sexual desire that bothers you, medically called hypoactive sexual desire disorder (HSDD), in postmenopausal women.
• For energy, mood, muscle, and memory, current trials have not shown a clear benefit. That does not mean your symptoms are imaginary. It means testosterone is not the proven tool for them yet.
• There is no testosterone product approved by the U.S. Food and Drug Administration (FDA) for women. Prescriptions are off-label, and demand is rising fast.

What testosterone does in a woman's body

Testosterone is not a "male" hormone that women happen to carry. It is a working part of female physiology, and women actually make more of it than estrogen for much of life.

Your body produces it in two main places. About a quarter comes from the ovaries, a quarter from the adrenal glands, and the rest is built in other tissues from those hormones. Even after menopause, the ovaries keep contributing. Source: The Role of Testosterone in Women's Health (News-Medical).

It plays a role in sexual desire, in bone and muscle, and it interacts with mood and focus through receptors in the brain. The interest in it is not misplaced. The real question is whether adding more, from outside your body, does what people hope.

How testosterone changes with age

Testosterone in women declines slowly and steadily, not in a sudden midlife crash.

Levels start easing down from the mid-30s. There is no sharp extra drop at natural menopause the way there is with estrogen. One decade after menopause, testosterone and its precursor androstenedione sit at about half of premenopausal levels. Source: The Role of Testosterone in Women's Health (News-Medical).

A fast drop happens mainly when both ovaries are removed surgically. For most women moving through perimenopause with their ovaries intact, the change is gradual.

What the evidence actually supports

The strongest evidence backs testosterone for one purpose: low sexual desire that causes you distress after menopause.

In 2019, eleven major medical societies, including the International Menopause Society and the Endocrine Society, released a Global Consensus Position Statement. Their conclusion was specific. Testosterone, dosed to reach normal premenopausal levels, helps sexual function in postmenopausal women with HSDD. The measured effect is modest: on average, about one more satisfying sexual event per month. Source: Global Consensus Position Statement on the Use of Testosterone Therapy for Women (JCEM, 2019).

An AARP review of the research put the same finding plainly. Across 36 trials, roughly 60% of women saw improvement in desire, and the size of the change was real but small. Source: Testosterone for Women (AARP).

What the evidence does not yet support

For energy, mood, thinking, muscle, and bone, high-quality trials have not shown that testosterone reliably helps.

The 2019 consensus panel looked hard at these uses. They found the data too thin to recommend testosterone for mood, cognition, general wellbeing, bone density, or muscle strength. Source: Global Consensus Position Statement (JCEM, 2019).

British experts reached the same place in 2026. The British Menopause Society's clinician tool states that randomized trials have not shown benefit for cognition, mood, or energy, and it recommends testosterone only for distressing low desire. Source: Testosterone Replacement in Menopause (British Menopause Society, May 2026).

Read that carefully. "Not enough evidence" is not the same as "proven useless." It means the studies to confirm those benefits have not shown a clear signal yet. Your fatigue and fog are real. Testosterone is simply not a proven route to them.

Supported use vs. what many women hope for

The mismatch in this table is the heart of the confusion. Marketing leans on the whole left column. The science stands on the first row.

The access picture in the United States

There is no FDA-approved testosterone product for women in the U.S., yet prescribing is climbing quickly.

Because nothing is approved specifically for women, doctors prescribe off-label. That usually means a men's product at roughly one-tenth the dose, or a version mixed at a compounding pharmacy. Compounded and pellet forms are not tested for consistency the way approved drugs are, and pellets can release hormone unevenly for months. Source: Testosterone for Women (AARP).

Demand has surged. In late 2025, the telehealth company Midi Health began offering testosterone therapy as requests from women spiked. Source: Midi Health to Offer Testosterone Therapy as Demand Spikes (CNBC, Oct. 2025). Researchers have flagged the fast rise in prescribing and called for closer attention to long-term safety. Source: Accelerating Testosterone Prescribing for U.S. Women (JACC: Advances, 2026).

There is movement on the regulatory side too. In January 2026, the FDA gave guidance to a drug developer on a pathway toward a testosterone therapy designed for women rather than borrowed from men's products. That is early-stage news, not an approved product. Source: FDA Provides Guidance on Development Pathway for Testosterone Therapy for Women (Urology Times, Jan. 2026).

Safety and monitoring, if you pursue it

Testosterone for women is prescription territory, and it needs real oversight from your doctor.

When dosed to normal female levels, short-term safety looks reassuring. Long-term data past about two years is still limited, and trials often excluded women at high heart risk. Common side effects include extra hair growth and acne, which usually ease if the dose drops. Rarer effects like voice deepening or clitoral enlargement can be lasting. Source: Global Consensus Position Statement (JCEM, 2019).

Standard monitoring looks like this:

• A baseline blood level before you start.
• A recheck at about three to six weeks.
• Review every six months for benefit and for signs of too much.
• Stopping if there is no clear improvement by six months.

This is a conversation for you and your prescriber, not a decision to make from an ad.

Where the stress-response symptoms actually live

Here is the part the testosterone conversation tends to skip. Many women reach for it because their real symptoms are being brushed off, and the symptoms driving them are often not androgen-related at all.

In Project M's consumer research study of 35 women, low libido was real but it did not stand alone. It scored a mean severity of 2.88 out of 5, and it clustered together with tension, disrupted sleep, and mood changes. Source: Project M perimenopause study results. Desire has many inputs. When you are tense, under-slept, and stretched thin, desire is usually the first thing to quiet down.

That matters because it points to a different lever. The exhaustion that will not lift, the tension you cannot unwind, the 2 a.m. wakings: these track more with your stress-response system than with any single hormone.

Where The Shift fits

The Shift is Project M's daily herbal protocol for perimenopause, built on a 600-year-old formula from Traditional Chinese Medicine (TCM). Product page: The Shift.

It is not testosterone and it is not a replacement for a prescription your doctor recommends. It works on a different layer: the stress-response side, where tension, low energy, and restless sleep tend to live. For many women, easing that load is what lets desire, focus, and steadiness return on their own. If you and your doctor decide testosterone is right for HSDD, herbal support can sit alongside it, addressing the symptoms it was never meant to reach.

Frequently asked questions

Does testosterone help with energy and brain fog in perimenopause? Current trials have not shown a clear benefit for energy or thinking. The strong evidence is for low sexual desire that causes distress after menopause. Source: British Menopause Society, May 2026.

Is there an FDA-approved testosterone for women? No. In the U.S., every prescription is off-label, often a men's product at a lower dose or a compounded version. The FDA gave guidance on a possible development pathway in January 2026, but no product is approved yet.

Is testosterone therapy safe for women? At doses that reach normal female levels, short-term safety looks reassuring, though long-term data is limited. It needs a prescription and regular monitoring. Talk it through with your doctor.

Why do I feel low desire if my testosterone is normal? Desire has many inputs. Stress, poor sleep, tension, and mood all lower it. In our consumer research study, low libido clustered with exactly those symptoms rather than standing on its own.

Read next

• The Shift vs. HRT: how they compare
• Menopause mood and anxiety: what is happening
• Menopause fatigue: why energy drops and what helps
• Cortisol and perimenopause: the stress connection
• The HRT FDA label change, explained