Clomiphene citrate Reference

Plain English

What it is

Clomiphene citrate, sold under the brand names Clomid and Serophene, is an FDA-approved prescription medicine. It is a SERM (selective estrogen receptor modulator), a drug that changes how the body responds to the hormone estrogen. It is officially approved to treat ovulation problems in women who want to get pregnant.

What people use it for

On its FDA label, it helps women who do not ovulate on their own release an egg so they have a chance to conceive. Some doctors also prescribe it off-label (a use that is not on the official label) for men with low testosterone or fertility concerns, because it can prompt the body to make more of its own testosterone. In lifting communities, some people use it off-label to manage estrogen or to help restart natural testosterone after anabolic steroids.

What the science shows

The evidence for its approved use in women is mature and well established. For men, the support is weaker and the use is still considered investigational; the most cited study followed only a small group of men, and a 2025 review found these drugs can raise testosterone but called for clearer guidance on who should use them.

The catch

This is a real prescription drug with real risks, not a casual supplement. Its label warns that blurry vision or seeing spots and flashes can happen, and these vision changes may be permanent, especially at higher amounts or with longer use. Any use beyond its approved purpose is an off-label, prescriber-led choice, and it is banned in sports by WADA at all times.

Reference summary

On-label evidence in female ovulation induction is mature. The off-label male hypogonadism use case rests on Moskovic/Katz 2012 BJU Int (long-term safety / effectiveness retrospective in 46 men) and a number of smaller comparative studies vs testosterone replacement. The Endocrine Society 2018 guideline acknowledges the off-label male use but does not recommend it as first-line outside of fertility-preservation contexts.

Regulatory and posture

Categories

Hormonal, Reproductive

Aliases

Clomid, Serophene, Selective estrogen receptor modulator (racemic mixture of enclomiphene and zuclomiphene isomers; small molecule, not a peptide)

Evidence posture

human - Off-label male use is investigational. Vision-related adverse events (blurring, scotomata) are real and require monitoring at higher doses.

Regulatory status

FDA-approved as Clomid / Serophene for the treatment of ovulatory dysfunction in women desiring pregnancy. Off-label use for male secondary hypogonadism, HPTA restart after anabolic-steroid exposure, or fertility-preserving alternatives to testosterone replacement is common in andrology and lifting communities but is not an FDA-approved indication. WADA-prohibited at all times under S4.

Content review status

label verified