For bodybuilding purposes, Tamoxifen (Nolvadex) is commonly used off-label as part of a post-cycle therapy (PCT) to restore natural testosterone production after an anabolic steroid cycle. It's not used for building muscle directly, but rather to prevent estrogen-related side effects (like gynecomastia) and support hormonal recovery.
✅ Common Tamoxifen Dosage for Bodybuilding:
PCT Protocol:
●Typical dose:
○Week 1–2: 40 mg per day
○Week 3–4: 20 mg per day
●Total duration: 4 weeks is standard, though some stretch it to 6 weeks.
●For estrogen control during a cycle (less common than using aromatase inhibitors):
●Dosage: 10–20 mg per day
●Use case: To counter minor signs of gyno or estrogen bloat when AI use is avoided
⚠️ Warnings:
●More is not better: High doses (over 40 mg/day) provide little extra benefit and may increase side effects.
●Don't use it during a cycle as your main estrogen control unless guided by bloodwork; aromatase inhibitors (like Arimidex) are usually preferred.
Always tailor based on your cycle compounds, duration, and personal response.
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