Description
Enclomiphene Citrate is a selective estrogen receptor modulator (SERM) — a derivative of clomiphene, but consisting only of the enclomiphene isomer, which is the active component responsible for stimulating the body’s own testosterone production.
What it is & what it’s for
- Medical use:
Primarily developed for male hypogonadism (low testosterone) caused by secondary testicular failure, where the problem lies in the brain’s signaling to the testes rather than in the testes themselves. - Mechanism:
Enclomiphene blocks estrogen receptors in the hypothalamus and pituitary. This tricks the brain into thinking estrogen levels are low, so it increases LH (luteinizing hormone) and FSH (follicle-stimulating hormone) secretion. These hormones signal the testes to produce more testosterone and sperm. - Sports / bodybuilding use:
Often used in post-cycle therapy (PCT) after anabolic steroid or prohormone use to restore natural testosterone production.
Dosage
Medical
- Common prescription range: 12.5 mg to 25 mg daily (usually in the morning, orally).
- Bloodwork is used to adjust dosage.
Sports / PCT use (unofficial, anecdotal):
- Typical PCT protocol:
- Week 1–2: 25 mg daily
- Week 3–4: 12.5 mg daily
Sometimes combined with other PCT agents (e.g., tamoxifen) depending on cycle length and compounds used.
PCT context
- Goal: Kickstart natural testosterone production and preserve muscle mass while minimizing estrogen rebound after a cycle.
- Why enclomiphene over clomiphene?
- Clomiphene contains zuclomiphene, an isomer that may cause more mood swings, vision issues, and estrogenic side effects.
- Enclomiphene isolates the more favorable isomer, so users often report fewer side effects.
Common / popular brand names
- Androxal – original research/trade name in clinical development.
- Enclomid – generic-style brand in research chemical market.
- Enclomiphene – often sold simply under the chemical name by compounding pharmacies and research chem vendors.
Key points & warnings
- Requires prescription in many countries.
- Can cause side effects: headaches, nausea, mood changes, visual disturbances (rare).
- Effectiveness and safety for long-term use in healthy athletes have not been well studied.
- Should be paired with bloodwork to confirm hormone recovery.
Enclomiphene Citrate PCT Example
Goal: Restore natural testosterone production, keep estrogen under control, and preserve muscle mass after a cycle.
Duration: 4–6 weeks
- Shorter cycles (8–10 weeks of mild compounds) → 4 weeks PCT
- Longer/heavier cycles (12+ weeks or strong androgens) → 6 weeks PCT
Weeks 1–2
- Enclomiphene Citrate: 25 mg daily (morning, orally)
- Optional:
- Nolvadex (Tamoxifen): 10–20 mg daily (if estrogen rebound risk is high)
- Natural testosterone boosters (zinc, vitamin D, ashwagandha, etc.)
Weeks 3–4
- Enclomiphene Citrate: 12.5 mg daily
- Continue optional Nolvadex if started, same dose.
Weeks 5–6 (only if cycle was heavy/long)
- Enclomiphene Citrate: 12.5 mg every other day
- Gradual taper to allow HPTA to stabilize without a hard stop.
Lifestyle support during PCT
- Training: Keep intensity moderate, reduce volume slightly to avoid overtraining.
- Nutrition: Slight caloric surplus with high protein to support recovery.
- Sleep: Aim for 7–9 hours; poor sleep = poor hormone recovery.
- Avoid alcohol: It blunts testosterone production.
Bloodwork
- Check total testosterone, free testosterone, LH, FSH, estradiol before starting PCT, and again 4 weeks after completion.
- Adjust protocol based on results.
Example brands/formulations
- Androxal – clinical/trial brand
- Enclomid – common research market name
- Pure Enclomiphene Citrate – compounding pharmacies or research labs
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