Research
Hormonal
Sexual desire and erectile function decline when both testosterone and estradiol levels are low, indicating that both hormones are required for normal sexual function.
If you are experiencing low libido or erectile dysfunction, check both your testosterone and estradiol levels. Low estrogen can impair sexual function even if testosterone is normal. A balanced hormonal profile is key for sexual health.
StrongSupportsVERY_HIGH confidence
Both androgens and estrogens contributed to the maintenance of normal libido and erectile function.
Why this rating
Randomized controlled trial with rigorous hormonal manipulation.
Source
Gonadal Steroids and Body Composition, Strength, and Sexual Function in Men
Joel S. Finkelstein et al. · New England Journal of Medicine · 2013
DOI 10.1056/nejmoa1206168
rct · n=400Cited 775×
Read the paper DOI resolved against Crossref · corpus check 2026-06-10
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