Testosterone therapy for women replaces a hormone that naturally declines with age and that many women are deficient in by their forties, restoring it to normal female levels rather than male ones. At physiologic doses it is used to improve libido, energy, mood, mental clarity, muscle tone, and body composition. It is prescribed only after lab work confirms a deficiency, dosed carefully, and monitored with follow-up labs to keep levels in the healthy female range. Women produce testosterone throughout their lives; therapy simply restores what has been lost.
Why do women need testosterone?
Testosterone is the most abundant active sex hormone in a woman's body across most of her adult life, produced by the ovaries and adrenal glands. It supports sexual desire and response, maintains muscle and bone, contributes to energy and motivation, and plays a role in mood and cognition. Levels peak in the twenties and fall steadily afterward, often dropping by half by the time of menopause. Because estrogen and progesterone get most of the attention, testosterone deficiency in women is frequently overlooked.
What does low testosterone look like in a woman?
Low or absent libido is the most recognized sign, but it rarely travels alone. Persistent fatigue that sleep doesn't fix, loss of muscle tone despite exercise, stubborn increases in body fat, flat mood or loss of motivation, brain fog, and diminished sense of well-being are all common. Many women are told these are simply aging or stress. A lab panel often tells a different story.
How is it dosed and delivered?
Women need a small fraction of the testosterone dose used for men, and getting this right is the whole art of the therapy. Options include low-dose injections, topical creams, and pellets, chosen based on your levels, preferences, and how your body responds. The goal is always a level within the normal female range, confirmed by follow-up labs. Appropriately dosed, testosterone does not cause masculinizing effects; those come from excessive dosing, which careful monitoring is designed to prevent.
What results can you expect?
Improvements in libido and energy are often noticed within a few weeks. Changes in body composition, muscle tone, and strength develop over months, especially when paired with resistance training and adequate protein. Mood, motivation, and mental clarity frequently improve alongside. Results are individual, and your follow-up visits track both how you feel and what your labs show.
How does it fit with estrogen and progesterone?
For many women, testosterone is one piece of a broader hormone picture. Perimenopausal and menopausal women often benefit from estrogen and progesterone as well, and the three are evaluated together. Your lab work determines which hormones you qualify for and in what combination. That is why ICON's women's hormone program includes estradiol, progesterone, and testosterone, prescribed individually based on your results rather than as a fixed package.
How do you get started?
With labs. Every hormone program at ICON begins with a comprehensive panel and an intake consultation, because dosing from symptoms alone is guesswork. Once your results are in, you'll review them with the clinical team, confirm whether testosterone or other hormones are appropriate, and build a monitored plan. Our Wellness page explains the program and how to begin.