Coming November 2026

Read this before you try testosterone

The cover of Not a Male Hormone by Dr. Jutta Vogt
  • Why you have more testosterone than estrogen, and what it does
  • Why it changes some women’s lives and barely helps others
  • Get the right tests, even if you’ve been told you’re “normal”
  • Walk into your next appointment knowing exactly what to ask for

We’ll only ever email you about the book.

“Every week, a woman tells me she doesn’t feel like herself anymore. A few years ago, that was me.”

Jutta Vogt, MD, from A Letter to the Reader
Dr. Jutta Vogt, author of Not a Male Hormone

About the author

Jutta Vogt, MD

Dr. Vogt is a triple board-certified physician who’s practiced psychiatry for over 25 years. She came to hormones through her patients, many of them women over forty whose depression and exhaustion didn’t lift until their hormones were treated.

Dr. Jutta Vogt speaking on a panel

“I hope this book saves you some of the time it took me to work this out, and that it helps you have a better conversation with your own doctor.”

About the book

Missed in some women, oversold to others

Every woman’s testosterone declines gradually with age, and that is normal. For most women, treatment mainly helps with low desire, as the guidelines say. Some women are depleted instead, by surgery, illness or medication, and for them restoring testosterone can also bring back energy, strength and a steadier mood.

Medicine tends to miss these women while selling testosterone to many who don’t need it. Only an accurate blood test can tell the two groups apart, and treatment should bring a woman’s level back to that of a healthy young woman and never push it higher.

Read the first chapter

The ideas it is built on

A woman’s hormone

Testosterone is made by the ovaries and the adrenal glands, and it does its own work in a woman’s body. Natural menopause takes neither source away.

Declined or depleted

A gradual decline with age is normal. Depletion, from surgery, illness or medication, is a medical problem, and it can cost far more than desire.

The right test

Symptoms can’t tell the two apart, and neither can the standard test most labs run. The book explains which test to ask for and what it can and can’t tell you.

Restore, never boost

Treatment aims for the upper quintile of the range for healthy young women, and never past it. Pellets and high doses overshoot.

Read the first chapter free

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We’ll only ever email you about the book.