Health Guide
Hormones and Reproductive Health
Plain-English summaries: what it is, what it was studied for, safety and regulatory status, plus mixing and dosing charts.
An FDA-approved PDE5 inhibitor for erectile dysfunction and enlarged-prostate symptoms.
The main male sex hormone. Testosterone replacement therapy (TRT) is FDA approved for men with low testosterone caused by a medical condition, confirmed by blood tests.
Bremelanotide is the active ingredient in Vyleesi, FDA approved in 2019 for a specific form of low sexual desire in premenopausal women.
The first FDA-approved pill for erectile dysfunction (Viagra, 1998).
The main estrogen made by the ovaries. Prescribed as tablets, patches, gels and vaginal cream to treat menopause symptoms such as hot flashes and vaginal dryness.
A natural reproductive hormone signal that sits upstream of GnRH, LH and FSH.
The same progesterone the ovaries make, in an oral capsule. Prescribed with estrogen to protect the uterus during menopause hormone therapy.
A pill that raises a man's own testosterone by signaling the brain to make more LH and FSH.
A pregnancy hormone with specific prescription uses in fertility care and some hormone conditions.
A synthetic version of gonadotropin-releasing hormone (GnRH), the signal that tells the pituitary to release LH and FSH.
A peptide hormone with established hospital uses in childbirth and a much less settled role in research on social behavior, appetite and sexual function.
A prescription fertility medicine that supplies both FSH and LH activity.
A four-amino-acid synthetic peptide. Despite its name, the best-identified hormone studies involve thyroid function in birds, not testosterone in men.
A four-amino-acid bioregulator peptide studied in prostate tissue and cellular-aging experiments.