Enclomiphene vs Clomiphene
A precise, factual comparison: same molecule family, one is a subset of the other. Worth getting right because the names get used interchangeably when they shouldn't be.
Side by side
| Enclomiphene | Clomiphene | |
|---|---|---|
| Class | Ancillaries | Ancillaries |
| Form | Oral | Oral |
| Half-life | ≈ 10 days (240 h) | ≈ 5 days (120 h) |
| Storage | Room temperature | Room temperature |
| Dose units | mg | mg |
| FDA status | Not FDA-approved | Approved |
Facts from the Stack compound library. See the full pages: Enclomiphene · Clomiphene.
How they differ
Isomers
Clomiphene is a mixture of enclomiphene (trans) and zuclomiphene (cis). Enclomiphene is just the trans-isomer on its own. Isolating it is the whole point of the distinction.
Why isolate it
The two isomers have different durations and properties, which is why enclomiphene is discussed as a more 'targeted' option than the combined molecule. Specifics are clinician territory.
Tracking
Both are oral compounds where daily consistency is what a log captures. Route and cadence are identical for logging purposes.
Status
Check each library entry for its current regulatory status, which the pages state plainly.
Tracking either one
Whichever you log, the workflow is the same in Stack: add it once, set the schedule, and let the app handle reminders, supply projection and an "in your system" curve from the half-life. Run both? Group them into one protocol you can pause together.
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Get the appLast reviewed 2026-06-11