Health Guide
Compound Library
Plain-English summaries: what it is, what it was studied for, safety and regulatory status, plus mixing and dosing charts.
An FDA-approved prescription peptide that activates both GIP and GLP-1 receptors.
The active ingredient in several FDA-approved GLP-1 medicines.
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.
An FDA-approved prescription peptide that reduces excess abdominal (visceral) fat in adults with HIV-associated lipodystrophy.
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.
An FDA-approved daily pill for male pattern hair loss. It lowers DHT, the hormone that shrinks hair follicles, and stops further loss in most men who take it.
A hair-growth medicine used on the scalp (Rogaine) or, more and more, as a low-dose daily pill.
A four-amino-acid peptide that targets mitochondria. In September 2025 the FDA granted accelerated approval to Forzinity (elamipretide) for muscle strength in Barth syndrome, a rare genetic disorder.
The same progesterone the ovaries make, in an oral capsule. Prescribed with estrogen to protect the uterus during menopause hormone therapy.
An essential vitamin for red blood cells and nerves. Injections are FDA approved for B12 deficiency and are popular as energy shots, though extra B12 has not been shown to help people with normal levels.
"191AA" just describes the 191-amino-acid human growth hormone molecule; somatropin is the recombinant prescription version.
A pregnancy hormone with specific prescription uses in fertility care and some hormone conditions.
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 synthetic alpha-MSH analogue. As the Scenesse implant (afamelanotide), it is FDA approved for a rare light-sensitivity disorder, not for cosmetic tanning.
An amino-acid derivative the body uses to move fatty acids into mitochondria for energy.
A prescription fertility medicine that supplies both FSH and LH activity.
An FDA-approved prescription medicine that builds bone in people with osteoporosis at high fracture risk.
An FDA-approved prescription bone-building medicine for osteoporosis in adults at high fracture risk.