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Women's Libido and Hormones: Desire, DHEA and the "Hormone Balance" Claims, Checked Against the Evidence

Low desire, DHEA and "estrogen dominance" are some of the most searched women's hormone topics. Here is what FDA labels, trials and guidelines say, including where the evidence is thin.

By Kymata Labs EditorialLast verified October 11, 2026

Medical review pending. Written by our editorial team from the studies and documents cited below; a credentialed clinician has not reviewed it yet. Educational only, not medical advice.

Key takeaways

  • Low desire is diagnosed as hypoactive sexual desire disorder only when it causes distress and has no other explanation [1].
  • Two drugs are FDA-approved for it: Addyi for women under 65 [1] and Vyleesi for premenopausal women [2].
  • Testosterone has no US product made for women [8] and is evidence-based only for postmenopausal HSDD [3].
  • Oral DHEA did not significantly improve libido in pooled trials [4]; the FDA-approved vaginal form treats painful sex after menopause [5].
  • "Estrogen dominance" is not a diagnosis, though unopposed estrogen does thicken the uterine lining [6].

Guides in this hub

  1. Low Libido in Women: Causes, When It's HSDD, and the Treatments With Trial DataLow desire becomes a diagnosis (hypoactive sexual desire disorder) only when it causes distress and has no other explanation. Two FDA-approved drugs and off-label testosterone have trial data, and the average gains are modest.
  2. DHEA for Women: Libido, Menopause and Side Effects, Oral Pills vs the Vaginal InsertOral DHEA is sold as a supplement for libido, energy and aging. Pooled trials found little or no benefit and more acne. The one FDA-approved form is a low-dose vaginal insert for painful sex after menopause.
  3. Estrogen Dominance: What's Real, What's Marketing, and What to Ask Your Doctor InsteadEstrogen dominance is a popular term, not a medical diagnosis. Some things behind it are real, such as high, swinging estrogen in perimenopause and unopposed estrogen thickening the uterus, but the symptom quizzes, saliva tests and supplements sold to fix it lack evidence.

Start here

Each guide below answers one question with primary sources: FDA labels on DailyMed, randomized trials and meta-analyses on PubMed, and society guidelines. Figures carry the source they came from.

Hormone questions overlap with menopause care, so the menopause hub and our online menopause HRT comparison are good companions.

How we grade the evidence

We rank randomized trials and meta-analyses above observational studies, and FDA labels above marketing. Where a popular claim has no trial behind it, we say so plainly rather than filling the gap.

Partners we link to

  • GalaPaid linkOnline hormone care for women. Its hormone page (checked Oct 11, 2026) lists estradiol pill or patch, oral or vaginal progesterone, vaginal estradiol and non-hormonal options, and says blood or saliva hormone tests are usually not needed. Eligibility is decided at intake.See Gala's hormone plans (opens in new tab)

    Partner links may earn us a commission. Learn more

Regulatory and legal notes

  • Addyi's label carries a boxed warning about severe low blood pressure and fainting when taken close in time to alcohol or with moderate or strong CYP3A4 inhibitors [1].
  • Testosterone preparations designed for women are not available in the US; prescribing is off-label [8].
  • DHEA sold as a dietary supplement is not approved by the FDA before it is marketed [7].

References

  1. [1]Addyi (flibanserin) tablets prescribing information. DailyMed, U.S. National Library of Medicine, 2025.
  2. [2]Vyleesi (bremelanotide) injection prescribing information. DailyMed, U.S. National Library of Medicine, 2025.
  3. [3]Global Consensus Position Statement on the Use of Testosterone Therapy for Women. J Clin Endocrinol Metab, 2019. PMID 31498871
  4. [4]Clinical review: The benefits and harms of systemic dehydroepiandrosterone (DHEA) in postmenopausal women with normal adrenal function: a systematic review and meta-analysis. J Clin Endocrinol Metab, 2014. PMID 25279571
  5. [5]Intrarosa (prasterone) vaginal inserts prescribing information. DailyMed, U.S. National Library of Medicine, 2026.
  6. [6]Effects of hormone replacement therapy on endometrial histology in postmenopausal women. The PEPI Trial. JAMA, 1996. PMID 8569016
  7. [7]Questions and answers on dietary supplements. U.S. Food and Drug Administration, 2026.
  8. [8]Androgen therapy in women: a reappraisal: an Endocrine Society clinical practice guideline. J Clin Endocrinol Metab, 2014. PMID 25279570

Dietary supplements are not intended to diagnose, treat, cure or prevent any disease, and these statements have not been evaluated by the FDA. Prescription options need a licensed clinician. Talk to your clinician or pharmacist before starting anything new, especially if you take prescription medicines, are pregnant or breastfeeding.

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