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Pharmaceuticals/Chemicals

Estradiol Cypionate

E2 Cyp · Depo-Estradiol

Injectable estradiol cypionate used in feminizing HRT.

🚧 Expanded guide coming soon. This compound has PK data and a source — a full overview, mechanism, and dosing guide is pending editorial review.

Pharmacokinetic summary

Model tier
Advanced (t½ + Cmax + Tmax + F)
Half-life
4 days
Cmax
2.8 pg/mL
Tmax
0.7 days
Bioavailability
60%
Typical dose
2–10 mg

Related compounds

Estradiol Topical (EstroGel)

Transdermal estradiol for feminizing HRT. Steady low-level delivery.

Estradiol Valerate

Injectable estradiol valerate, common in feminizing HRT. Simple model.

Progesterone (Oral)

Micronized oral progesterone; short half-life with high first-pass metabolism.

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