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How to Run a Testosterone-Only Cycle in 2025 – Beginner’s Protocol
Starting your first steroid cycle? A testosterone-only cycle is the safest, most effective introduction to anabolic enhancement. In 2025, experienced coaches and seasoned athletes still recommend Test-only cycles as the gold standard for beginners—and for good reason.
This guide will walk you through everything you need to know to run a testosterone-only cycle the right way.
💉 Why Start with Testosterone Only?
Testosterone is the primary male androgen and the foundation of nearly all steroid cycles. Running Test alone helps you:
- Understand how your body reacts to hormones
- Minimize side effects by avoiding harsh compounds
- Make quality gains in muscle, strength, and recovery
- Learn PCT and cycle management without complexity
It’s simple, effective, and proven.
📅 Basic Testosterone-Only Cycle Structure
Cycle Length: 10–12 weeks
Compound: Testosterone Enanthate (or Cypionate)
Weekly Dose: 300–500mg/week
Injection Frequency: 2x per week (e.g., Monday and Thursday)
Example:
- Weeks 1–12: Testosterone Enanthate – 400mg/week
- Weeks 1–12: Aromatase inhibitor (as needed) – Arimidex 0.25mg EOD
- Weeks 13–16: PCT – Nolvadex 40/40/20/20 or Clomid 50/50/25/25
🔬 Estrogen Management
Testosterone converts to estrogen via aromatase, which may cause:
- Water retention
- Gyno (sensitive nipples)
- Mood swings
Use an AI (Aromatase Inhibitor) only if needed, not as a default. Bloodwork can guide proper dosing.
🧪 Bloodwork Checklist (Pre, Mid, Post-Cycle)
Before starting your cycle, get bloodwork on:
- Total & Free Testosterone
- Estrogen (E2)
- Liver enzymes (ALT, AST)
- Lipid panel (HDL, LDL, triglycerides)
- Complete blood count (CBC)
Post-cycle bloods help confirm natural testosterone recovery.
🔁 Post Cycle Therapy (PCT)
After suppressing your natural testosterone, you’ll need to kickstart it again.
PCT Options (Start 2 weeks after last Test E injection):
- Clomid: 50/50/25/25 mg daily
- Nolvadex: 40/40/20/20 mg daily
Use either, or a combination depending on preference and side effect profile.
⚠️ Mistakes to Avoid
❌ Skipping bloodwork
❌ Starting too high (750mg+ for a first cycle)
❌ Ignoring estrogen symptoms
❌ No PCT planning
❌ Chasing fast results without discipline
Steroids amplify what you’re already doing. No diet, no gains.
