Testosterone in Women: What Does the Evidence Actually Say?
- Stephanie Martinez, FNP-C, MSCP
- Aug 9
- 7 min read
When people think about testosterone, they usually think about men.
But women produce testosterone too.
And lately, testosterone therapy for women seems to be everywhere- marketed for low libido, fatigue, brain fog, weight gain, muscle loss, mood, motivation, and even as something every woman supposedly needs as she gets older.
So where does the evidence end and individualized treatment begin?
Testosterone plays an important role in women's health, but testosterone therapy isn't a universal treatment for every symptom that develops during midlife.
Understanding what we know, where the evidence is strongest, and where potential benefits are less established can help women make more informed decisions about whether testosterone deserves a place in their treatment plan.
Do Women Actually Need Testosterone?
Yes.
Women naturally produce androgens, including testosterone, throughout their reproductive years.
Testosterone is produced by the ovaries and adrenal glands and also through conversion of other androgen precursors in peripheral tissues.
Levels generally decline with age, beginning well before the final menstrual period.
But there's an important distinction:
Having lower testosterone than you did when you were younger does not automatically mean you have a testosterone deficiency that needs to be treated.
Unlike testosterone deficiency in men, there is no universally accepted blood testosterone level that diagnoses a “testosterone deficiency syndrome” in otherwise healthy women.
That's one reason symptoms and clinical context matter.
What Happens to Testosterone During Menopause?
This is another area where menopause gets oversimplified.
Testosterone does not suddenly fall off a cliff when a woman reaches menopause.
Androgen levels generally decline gradually with age, and this decline begins during the reproductive years.
Women who undergo surgical removal of both ovaries may experience a more abrupt reduction in ovarian androgen production.
Natural menopause and surgical menopause therefore aren't necessarily hormonally identical experiences.
This matters when we're trying to understand symptoms rather than simply assuming that every woman over 45 has “low testosterone.”
What Is Testosterone Therapy Actually Proven to Treat?
This is where it's important to separate evidence from marketing.
The strongest evidence supporting systemic testosterone therapy in women is for the treatment of hypoactive sexual desire disorder, or HSDD, in appropriately selected postmenopausal women.
HSDD involves persistently reduced sexual desire that causes personal distress and isn't better explained by another medical condition, medication, relationship issue, or other contributing factor.
That's much more specific than simply saying:
“My libido isn't what it used to be.”
Sexual desire can be affected by many things, including:
Relationship factors
Stress
Sleep
Depression or anxiety
Medications
Vaginal dryness or painful sex
Menopausal symptoms
Medical conditions
Body image
Fatigue
Hormonal changes
Before assuming testosterone is the answer, it makes sense to look at the bigger picture.
It is also important to understand that although HSDD is the indication with the strongest evidence and professional-consensus support for testosterone therapy in women, there is currently no FDA-approved testosterone product specifically formulated for women in the United States.
Can Testosterone Help Low Libido?
For appropriately selected women with HSDD, testosterone therapy can improve sexual desire and certain aspects of sexual function.
But expectations should be realistic.
The goal isn't to create an abnormally high sex drive.
It's to improve distressing loss of sexual desire toward a level that feels meaningful and appropriate for that individual woman.
And if sex hurts because of vaginal dryness or genitourinary syndrome of menopause, simply adding testosterone without addressing the pain may miss a major contributor.
Sexual health is more complicated than one hormone level.
What About Testosterone for Energy, Brain Fog, or Overall Well-Being?
This is where the conversation becomes more nuanced.
The strongest evidence supporting testosterone therapy in women remains HSDD in appropriately selected postmenopausal women. Current evidence is not strong enough to recommend testosterone routinely as a treatment specifically for fatigue, cognitive concerns, mood, or general well-being.
However, some women receiving appropriately dosed testosterone therapy report improvements in areas such as energy, motivation, mental clarity, mood, or overall sense of well-being. Individual experiences can vary, and these reported benefits are one reason treatment should consider the whole person rather than a laboratory value alone.
At the same time, symptoms such as fatigue and brain fog have many potential causes.
Poor sleep, thyroid dysfunction, iron deficiency or anemia, mood disorders, medications, sleep apnea, metabolic conditions, nutritional deficiencies, and other health concerns may produce very similar symptoms.
For that reason, testosterone shouldn't automatically be assumed to be the answer simply because a woman is tired or doesn't feel like herself.
An individualized approach means considering the available evidence, the symptoms that matter to you, other potential contributors, your treatment goals, and your response to therapy- while being transparent about where evidence is strong and where potential benefits remain less established.
Will Testosterone Help Me Lose Weight or Build Muscle?
Testosterone is not a weight-loss medication for women.
It shouldn't be prescribed primarily to reduce body fat or make the scale move.
Similarly, although androgens affect muscle physiology, available evidence does not support routinely prescribing physiologic-dose testosterone to otherwise healthy women solely to increase muscle mass or strength.
Resistance training, adequate nutrition and protein intake, sleep, metabolic health, and appropriate medical weight management remain much more important parts of the body-composition conversation.
That doesn't mean body composition should be ignored when evaluating a woman's overall health. It means testosterone shouldn't be presented as a shortcut for weight loss or muscle building.
How Is Testosterone Given to Women?
When testosterone therapy is clinically appropriate, the goal is generally to use dosing that maintains testosterone within the physiologic range for premenopausal women, rather than producing male-range or supraphysiologic levels.
Transdermal therapy has the strongest evidence base for treatment of HSDD.
However, there is currently no FDA-approved testosterone product specifically formulated for women in the United States.
As a result, clinicians may sometimes use carefully adjusted doses of commercially available male formulations or appropriately compounded testosterone preparations when treatment is indicated.
Whatever formulation is used, women require substantially smaller doses than men.
Treatment should be individualized and monitored rather than based on a standardized “optimization” dose.
What About Compounded Testosterone?
Because there is no FDA-approved testosterone formulation specifically designed for women in the United States, prescribing can be more complicated than it is for estrogen or progesterone.
Compounding pharmacies can prepare testosterone in doses and formulations specifically tailored for female patients.
This may provide practical dosing options when commercially available products do not meet an individual's needs.
However, compounded testosterone products do not undergo the same FDA approval process as commercially manufactured medications, and formulation quality and consistency depend on appropriate compounding practices.
Whether a compounded or commercially manufactured product is used, the goal should remain the same:
Appropriate dosing, physiologic testosterone exposure, clinical monitoring, and treatment for a clearly identified purpose.
What About Testosterone Pellets?
Testosterone pellets are widely marketed to women.
Pellets are inserted underneath the skin and release testosterone over an extended period.
One concern is that once a pellet has been inserted, the dose cannot easily be adjusted if testosterone exposure is excessive or side effects develop.
Some pellet regimens may also produce supraphysiologic testosterone concentrations.
Major professional consensus recommendations generally favor therapy that maintains testosterone within the physiologic female range and caution against preparations that result in supraphysiologic concentrations.
Women considering pellets should understand those differences before deciding on treatment.
What Are the Possible Side Effects?
Testosterone therapy can cause androgenic side effects, particularly when exposure becomes excessive.
Possible effects include:
Acne
Increased facial or body hair
Oily skin
Scalp hair thinning or androgenic hair loss
At higher or supraphysiologic exposure, additional androgenic effects may occur, including voice deepening and clitoral enlargement, some of which may not be fully reversible.
This is why more testosterone isn't necessarily better.
The goal is not to push levels as high as possible.
Do Testosterone Levels Need to Be Monitored?
Yes, when testosterone therapy is prescribed.
Interestingly, testosterone testing is generally not used by itself to diagnose HSDD, because there is no specific testosterone concentration that separates women with and without the disorder.
Testing can instead help establish a baseline and monitor treatment.
Depending on the clinical situation, evaluation may include total testosterone and sex hormone-binding globulin, along with other testing when appropriate.
Levels should be reassessed after treatment begins and periodically thereafter to help ensure therapy isn't producing excessive exposure.
Clinical response and potential side effects matter too.
We're treating a patient- not chasing a testosterone number.
How Do I Know Whether Testosterone Is Right for Me?
It starts with defining the problem you're trying to treat.
If your primary concern is sexual desire, an evaluation should consider whether you may have HSDD as well as other biological, psychological, medication-related, relationship, and sexual-health factors that could be contributing.
If your concerns include fatigue, brain fog, poor sleep, mood changes, or changes in body composition, those symptoms deserve a broader evaluation rather than automatically assuming testosterone is the missing piece.
Sometimes testosterone may ultimately be one component of an individualized treatment plan, including in situations where the potential benefits, limitations, and off-label nature of treatment have been carefully discussed. Other times, something entirely different needs attention.
Individualized treatment doesn't mean ignoring the evidence. It means using the evidence as a foundation while considering the individual woman sitting in front of us.
Testosterone Therapy at Prime Optimal Health
At Prime Optimal Health, testosterone therapy for women is considered within the context of your symptoms, medical history, medications, menopausal status, sexual health, treatment goals, and other factors that may be contributing to how you feel.
When testosterone therapy is clinically appropriate, treatment and monitoring are individualized with the goal of maintaining physiologic female testosterone exposure while assessing clinical response and potential side effects.
When treatment is considered for symptoms or goals outside of established evidence-based indications, the potential benefits, limitations of available evidence, alternatives, and risks can be discussed as part of shared decision-making.
Other hormonal, nonhormonal, lifestyle, or medical interventions may also be recommended depending on the underlying concern.
The goal isn't to “optimize” every woman's testosterone level. It's to understand what you're experiencing, identify other factors that may be contributing, and develop an individualized treatment plan with a reasonable clinical purpose.
Ready to Learn More?
If changes in sexual desire, energy, cognition, mood, body composition, or other midlife symptoms have you wondering whether hormones may be contributing, a Comprehensive Midlife Consultation provides time for an individualized evaluation and discussion of your treatment options.
References & Resources
Medical Disclaimer
This article is intended for general educational and informational purposes only and does not constitute medical advice, diagnosis, or treatment. The information provided is not a substitute for individualized medical care. Always consult with a qualified healthcare professional regarding your individual health concerns and before starting, stopping, or changing any treatment or medication.
Last updated: August 2026
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