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Is enclomiphene a peptide?

The sources reviewed classify enclomiphene as a selective estrogen receptor modulator, a drug class defined by what it does at the estrogen receptor.

SERM (not a peptide)Updated

Short answer

The sources reviewed classify enclomiphene as a selective estrogen receptor modulator, a drug class defined by what it does at the estrogen receptor.[1]

Enclomiphene is one of the two isomers that make up clomiphene citrate, an older fertility drug, which is why it is often discussed alongside clomiphene.[2]

What it acts on

Its described action is to block the estradiol receptor in the hypothalamus, which removes a brake on the hormone signals that drive the testes.[3]

More questions on Enclomiphene

Does enclomiphene build muscle?Does enclomiphene increase libido?Does enclomiphene increase testicle size?Does enclomiphene lower IGF-1?Does enclomiphene raise estrogen?Does enclomiphene work?

More on Enclomiphene

How it worksTarget, mechanism and how long it acts, from the label or studies.Enclomiphene overview

Sources

  1. 1Changes in Serum Testosterone After Sublingual Enclomiphene Citrate Combined With a Mineral Oxide Delivery System: A Retrospective Case Series of 15 Men.Cureus · 2026PMID 42170362Accessed 11 Oct 2026
  2. 2Enclomiphene citrate: A treatment that maintains fertility in men with secondary hypogonadism.Expert review of endocrinology & metabolism · 2019PMID 31063005Accessed 11 Oct 2026
  3. 3Minimal ovarian stimulation with clomiphene citrate: a large-scale retrospective study.Reproductive biomedicine online · 2007PMID 17697488Accessed 2 Oct 2026

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