Testosterone in women: what it is and why your body makes it

Testosterone is a hormone your body produces naturally, and women make it just as men do—the difference is the amount. Your ovaries and adrenal glands produce testosterone throughout your life, and it plays real roles in muscle strength, bone density, mood, and sexual function. Many women don't realize they have testosterone at all, or assume it's only a "male" hormone. It isn't. Understanding what testosterone does in your body helps you recognize when something feels off and talk to a doctor about it.

The amount of testosterone in your bloodstream changes across your lifespan. It's highest in your 20s and 30s, then gradually declines as you age. Pregnancy, hormonal birth control, and menopause all shift your testosterone levels. That's normal. Problems arise when levels drop too low or rise too high—both can affect how you feel and function.

Key Takeaways

  • Testosterone supports muscle strength, bone density, and energy levels in women, not just sexual function.
  • Women naturally produce testosterone from their ovaries and adrenal glands, though in smaller amounts than men.
  • Low testosterone can cause fatigue, weak muscles, low mood, and reduced sexual desire, especially after age 40 or during menopause.
  • A blood test from your doctor is the only way to know your actual testosterone level; you cannot tell from symptoms alone.
  • Strength training, adequate sleep, and managing stress can support healthy testosterone levels without medication.

How testosterone affects muscle and bone

Testosterone helps your body build and maintain muscle tissue. It does this by signaling your muscles to grow in response to exercise, especially strength training. Without enough testosterone, your muscles don't respond as well to the same workout—you may feel weaker or notice your arms and legs lose definition even when you're exercising regularly.

Your bones also depend on testosterone. This hormone helps keep bone density stable, which matters more as you age. Women lose bone density faster after menopause when both estrogen and testosterone drop. Low testosterone contributes to weaker bones and higher fracture risk, particularly in your hips, spine, and wrists. Strength training and adequate calcium and vitamin D help offset this, but testosterone plays a direct role.

Testosterone and energy, mood, and motivation

Many women with low testosterone report feeling persistently tired, even after sleeping. This fatigue doesn't always improve with rest alone. Testosterone influences how your body uses energy and how your brain regulates alertness. When levels are low, you may feel foggy, unmotivated, or struggle to focus on tasks that normally hold your attention.

Testosterone also affects mood. It's linked to confidence, assertiveness, and a sense of well-being. Low testosterone can contribute to depression, anxiety, or a flat emotional state. This is not the same as clinical depression, but the hormone does influence your baseline mood. Some women notice they feel more irritable or emotionally withdrawn when their testosterone drops, particularly during perimenopause or after surgical removal of the ovaries.

Testosterone and sexual function

Testosterone drives sexual desire in women. It affects arousal, sensitivity, and orgasm. Low testosterone can reduce interest in sex, make arousal harder to achieve, and decrease sensation during sexual activity. This is a common and often overlooked symptom, especially in women over 40 or those in menopause.

Sexual function involves multiple hormones and psychological factors, so low testosterone is not always the only cause of reduced desire. But if your sex drive has dropped noticeably and other symptoms of low testosterone are present—fatigue, weak muscles, low mood—it's worth discussing with a doctor who can measure your levels.

When testosterone levels drop: symptoms and timing

Testosterone naturally declines with age, but the timing and speed vary widely. Some women notice changes in their 40s; others don't experience symptoms until their 60s or later. Menopause accelerates the decline because your ovaries, which produce testosterone, stop functioning.

Symptoms of low testosterone include persistent fatigue that doesn't improve with rest, noticeable loss of muscle strength or muscle mass, reduced sexual desire, difficulty concentrating, mood changes like depression or anxiety, and weaker bones or increased fracture risk. Not every woman with low testosterone has all these symptoms. Some have one or two. The only way to know your actual level is a blood test ordered by your doctor.

How to support healthy testosterone levels

You cannot raise testosterone through diet alone, but certain habits support your body's natural production. Strength training is one of the most effective: lifting weights or doing resistance exercises signals your body to maintain testosterone and muscle. Aim for two to three sessions per week that work your major muscle groups.

Sleep matters. Testosterone production is tied to sleep cycles, and chronic sleep deprivation lowers levels. Aim for seven to nine hours per night. Chronic stress also suppresses testosterone, so managing stress through movement, time outdoors, or practices like meditation can help. Maintaining a healthy weight is another factor—being significantly overweight or underweight can shift hormone levels.

If you suspect your testosterone is low, a doctor can order a blood test. If the test confirms low levels and symptoms are affecting your quality of life, your doctor can discuss whether hormone therapy or other treatments make sense for your situation. This is a conversation to have with a healthcare provider who knows your full medical history.

Testosterone and nutrition: what the research shows

No food or supplement directly raises testosterone in women the way strength training does. However, overall nutrition supports the hormonal environment your body needs. Adequate protein helps maintain muscle, which is tied to testosterone function. Healthy fats support hormone production generally. Micronutrients like zinc and vitamin D play roles in testosterone synthesis, though deficiency in these is less common in women eating a varied diet.

Some supplements marketed for testosterone support lack strong evidence in women. Zinc, vitamin D, and magnesium have research behind them for general hormone health, but taking extra amounts won't raise testosterone if your levels are already adequate. Focus on eating whole foods, getting enough protein and healthy fats, and ensuring you're not deficient in key nutrients. If you're considering a supplement, discuss it with your doctor first, especially if you take other medications.

Frequently Asked Questions

Can high testosterone cause problems in women?

Yes. High testosterone can cause acne, excess facial or body hair, male-pattern baldness, a deeper voice, and clitoral enlargement. It may also increase aggression or irritability. High testosterone in women is less common than low testosterone, but it can signal conditions like polycystic ovary syndrome (PCOS) or adrenal disorders. A blood test and conversation with your doctor can determine whether your levels are elevated and what's causing it.

Does testosterone therapy work for women with low levels?

Testosterone therapy can help some women with confirmed low levels and bothersome symptoms. It may improve energy, muscle strength, and sexual desire. However, it's not standard treatment and carries risks including acne, hair growth, and potential effects on cholesterol. It's prescribed less often in women than in men. If you're interested, your doctor can discuss whether it's appropriate for your situation and what monitoring would be needed.

Does birth control affect testosterone?

Yes. Hormonal birth control lowers free testosterone—the form your body can actually use. Some women notice reduced sexual desire, lower energy, or weaker muscles while on hormonal contraceptives. If you suspect this is happening, talk to your doctor about switching to a different formulation or method. Non-hormonal options like copper IUDs don't affect testosterone.

Is low testosterone the same as menopause?

No, but they overlap. Menopause is the end of menstrual periods and involves a sharp drop in estrogen and progesterone. Testosterone also declines during menopause, but some women experience low testosterone symptoms before menopause begins or after it ends. You can have menopausal symptoms without low testosterone, and low testosterone without being menopausal. A blood test can measure both hormones separately.

Can I test my testosterone at home?

Home testosterone tests exist, but they're less reliable than blood tests done in a lab. Testosterone levels fluctuate throughout the day and across your cycle, so a single home test may not give you accurate information. A doctor can order a blood test at the right time in your cycle and interpret the result in context with your symptoms and medical history. This is more useful than a home test result alone.