Testosterone Therapy for Women: This Conversation Is Not New

This Conversation Did Not Start in 2025

Recent public discussions around menopause, sexual health, and testosterone therapy for women have helped bring overdue attention to an important issue in medicine. Many women are now hearing for the first time that testosterone may influence libido, energy, body composition, cognition, recovery, strength, and quality of life.

What often gets lost in the modern social media version of this discussion is that experienced hormone clinicians have already been doing this work quietly for decades.

At HormoneSynergy® Longevity Medicine, Dr. Kathryn Retzler has been prescribing and teaching hormone therapy for women and men for more than 25 years. That includes years of continuing medical education, advanced hormone training, clinical experience, and lecturing at national conferences focused on hormone therapy, preventive medicine, healthy aging, and longevity medicine.

Long before hormone conversations became mainstream online content, many clinicians working in menopause medicine, integrative endocrinology, sexual medicine, and longevity medicine understood that testosterone is not exclusively a “male hormone.” Women naturally produce testosterone throughout life, and physiologic decline may influence multiple systems over time.

Women Have Been Receiving Testosterone Therapy for Years

One of the biggest misconceptions created by recent headlines is the idea that women somehow had no access to testosterone therapy until now.

That is not accurate.

While the United States has lacked widely marketed FDA-approved testosterone products specifically labeled and dosed for women, testosterone therapy itself has remained available for years through legitimate compounding pharmacies operating under state and federal oversight.

Clinicians experienced in hormone medicine have long used individualized compounded preparations to help tailor dosing to female physiology rather than simply adapting high-dose male products. This distinction matters because individualized hormone medicine often requires personalization that commercial one-size-fits-all dosing may not adequately provide.

How Dr. Retzler Interprets Total Testosterone in Women

At HormoneSynergy®, total testosterone is interpreted alongside symptoms, menstrual or menopausal status, timing of testing, medication use, route of hormone therapy, body composition, SHBG, free testosterone when appropriate, estrogen and progesterone patterns, and clinical response. A lab value is important, but it is not the entire clinical picture.

For women, Dr. Retzler’s total testosterone ranges are generally interpreted as follows:

• Optimal: 50–120 ng/dL
• High: greater than 120 ng/dL
• Low: 20–49 ng/dL
• Very low: less than 20 ng/dL

When total testosterone is optimal, the goal is not to keep increasing the dose or chase a higher number. The goal is physiologic balance: better function, better resilience, and symptom improvement without signs of excess androgen exposure.

When total testosterone is elevated, the cause may be related to the timing of blood sample collection after the most recent testosterone dose, excessive dosing, application-site transfer from topical testosterone, or exposure from a partner using topical testosterone. Symptoms of excess supplementation may include acne, facial hair growth, excessive libido, scalp hair thinning, or a receding hairline pattern. In those situations, dosage adjustment may be appropriate.

It is also important to recognize that serum testosterone levels may not perfectly reflect tissue or cellular activity. An elevated blood level without side effects does not always mean the same thing as clinical androgen excess. This is why hormone therapy should be monitored through both laboratory testing and clinical assessment.

When total testosterone is low or very low, the clinical significance depends on the full patient picture. In some women, low testosterone may contribute to fatigue, poor stamina, reduced muscle tone, decreased libido, difficulty achieving orgasm, low motivation, mood changes, cognitive complaints, poor recovery, increased fat accumulation, and loss of strength over time.

Testosterone Is an Anabolic Hormone

Testosterone is an anabolic hormone, meaning it helps support protein synthesis and the maintenance of structural tissues such as muscle, bone, and connective tissue. In women, adequate testosterone may help preserve lean body mass, strength, physical resilience, and recovery capacity.

Low or suboptimal testosterone may contribute to decreased muscle mass, reduced muscle tone, poorer exercise tolerance, and increased fat accumulation. This matters in longevity medicine because muscle is not just cosmetic. Muscle is metabolically active tissue that supports glucose regulation, mobility, balance, independence, and long-term healthy aging.

Testosterone also plays a role in bone physiology. It may help support bone strength directly and indirectly through effects on muscle, balance, and physical function. Since falls and fractures become increasingly important with age, preserving strength, coordination, and lean mass is part of a broader prevention strategy.

This is why testosterone should not be reduced to a sexual health conversation only. Libido matters, but testosterone is also part of the physiology of strength, resilience, recovery, mood, cognition, and healthy aging.

Testosterone, Libido, Mood, and Cognition in Women

Libido in women is influenced by many factors, including relationship context, stress, sleep, estrogen status, vaginal health, medications, thyroid function, mental health, and overall metabolic health. Testosterone is not the only factor, but it can be an important one.

Declining testosterone may contribute to low libido, reduced sexual desire, and difficulty achieving orgasm in some women. When clinically appropriate, carefully monitored testosterone therapy may help improve sexual well-being as part of a broader hormone and health evaluation.

The brain also requires adequate hormonal signaling for optimal function. Low testosterone may contribute to depressed mood, apathy, anxiety, low confidence, foggy thinking, poor concentration, reduced motivation, and memory concerns in some patients. Some women describe a declining ability to find words, mentally organize tasks, plan, focus, or maintain the same cognitive stamina they once had.

These symptoms are not automatically caused by testosterone deficiency. They can overlap with poor sleep, thyroid dysfunction, anemia, insulin resistance, depression, chronic stress, perimenopause, menopause, medication effects, and inflammatory or metabolic issues. That is why HormoneSynergy® evaluates testosterone as part of a systems-based longevity medicine model rather than treating one number in isolation.

Symptoms That May Be Associated With Low or Suboptimal Testosterone

The following symptoms may be associated with low or suboptimal testosterone in women, especially when they occur alongside compatible lab findings and broader hormone changes:

• Fatigue
• Poor stamina
• Decreased muscle mass, tone, or strength
• Poor exercise tolerance
• Increased fat accumulation
• Reduced sense of well-being
• Foggy thinking
• Decreased concentration or focus
• Memory problems
• Mood swings
• Irritability
• Low libido
• Difficulty achieving orgasm
• Reduced motivation
• Poor recovery after exercise or stress

The presence of these symptoms does not automatically mean testosterone therapy is indicated. It means the physiology deserves a thoughtful evaluation.

Hormones Are Human Physiology, Not Internet Trends

The current surge in public hormone discussions has helped many women finally feel heard. That is a positive development.

At the same time, medicine can become distorted when nuanced physiology is reduced to simplistic social media messaging.

At HormoneSynergy®, hormone therapy has always been approached through a broader longevity medicine lens that includes cardiovascular risk, metabolic health, sleep and recovery, body composition, inflammation, sexual health, cognitive function, menopause transition physiology, nutrition, movement, and long-term prevention strategy.

Hormones are signaling molecules that interact with every major system in the body. Testosterone is not a magic wand, miracle cure, or universal answer to aging. However, dismissing its physiologic importance in women is equally incomplete.

Education and Clinical Experience Matter

Dr. Retzler’s work in hormone therapy extends beyond prescribing alone. Over the past 25 years, she has participated in extensive continuing medical education and has lectured nationally on hormone therapy, preventive medicine, longevity medicine, and healthy aging physiology.

Her educational background includes studying the work of international hormone and healthy aging thought leaders, along with ongoing advanced education in metabolism, preventive cardiology, sexual health, and systems-based longevity medicine.

This is important because hormone medicine is often portrayed online as either dangerous pseudoscience or simplistic optimization marketing. In reality, responsible hormone care requires clinical judgment, ongoing education, physiologic context, careful dosing, symptom review, and ongoing monitoring.

The Real Issue Is Not Whether Women “Can” Use Testosterone

The deeper issue is that many women still struggle to find clinicians willing to have thoughtful, evidence-based conversations about hormones at all.

Many patients continue to be told that fatigue, low libido, reduced motivation, worsening recovery, sleep disruption, body composition changes, and declining resilience are simply unavoidable parts of aging.

Longevity medicine takes a different approach.

Instead of reducing patients to isolated symptoms or lab values, the goal is to evaluate how physiology changes over time and determine where education, prevention, lifestyle strategy, testing, and individualized treatment may improve long-term function and quality of life.

FAQ

Is testosterone therapy for women new?

No. Experienced hormone clinicians have prescribed testosterone therapy for women for decades using individualized approaches, often through compounding pharmacies.

What total testosterone range does Dr. Retzler use for women?

Dr. Retzler generally interprets women’s total testosterone as optimal at 50–120 ng/dL, high above 120 ng/dL, low at 20–49 ng/dL, and very low below 20 ng/dL. These ranges are interpreted alongside symptoms, timing of testing, medication use, menopausal status, route of hormone therapy, and the broader clinical picture.

What symptoms may be associated with low testosterone in women?

Low or suboptimal testosterone may be associated with fatigue, poor stamina, decreased muscle mass or strength, increased fat accumulation, low libido, difficulty achieving orgasm, foggy thinking, poor concentration, memory concerns, mood changes, irritability, reduced motivation, and poor recovery. These symptoms can have many causes, so evaluation should not be based on testosterone alone.

What can cause elevated testosterone levels in women using therapy?

Elevated testosterone may be related to excessive dosing, timing of blood collection after the most recent testosterone dose, application-site exposure, or transfer from a partner using topical testosterone. Symptoms such as acne, facial hair growth, excessive libido, scalp hair thinning, or receding hairline pattern may suggest androgen excess and should be reviewed with the prescribing clinician.

Does a high blood testosterone level always mean the dose must be lowered?

Not always. Serum testosterone levels may not perfectly reflect tissue or cellular activity. An elevated level without side effects may not carry the same clinical meaning as elevated testosterone with clear signs of androgen excess. Clinical context matters.

Does HormoneSynergy® prescribe testosterone therapy for women?

HormoneSynergy® evaluates hormones within the broader context of longevity medicine, metabolism, cardiovascular risk, body composition, sleep, recovery, sexual health, menopause transition physiology, and overall health. Recommendations are individualized based on clinical assessment and patient-specific factors.

Are compounded hormones regulated?

Compounding pharmacies operate under state and federal oversight. Experienced clinicians may use compounded formulations when individualized dosing is clinically appropriate.