Testosterone Enanthate
Long-ester testosterone. Most common injectable AAS. Used for TRT and cycles.
Overview
Long-ester testosterone. Most common injectable AAS. Used for TRT and cycles.
Elevates testosterone, estradiol (via aromatization), suppresses LH/FSH, increases haemoglobin/haematocrit, worsens lipids (moderate), can elevate liver enzymes slightly
Compound Guide
Ester: Enanthate -- 7-carbon chain ester. Provides a slow, steady release of testosterone over several days, peaking ~24-48h post-injection and tapering over 4-5 days.
Dosage:
- TRT / Cruise: 100-200 mg/week (target trough 20-30 nmol/L)
- Enhancement: 300-600 mg/week for 12-20 weeks
Injection Protocol:
- Inject 2x/week (e.g. Monday/Thursday) for stable blood levels
- IM: 25-27g needle, 1-1.5 inch, glutes/delts/VG
- SubQ: 27-30g insulin needle, 0.5 inch, abdomen/love handles (viable for TRT doses)
Key Notes:
- Gold standard for TRT and first cycles
- Aromatises dose-dependently -- monitor E2 if symptoms arise
- Allow 4-5 half-lives (~3 weeks) to clear before starting PCT
- Interchangeable with Cypionate at the same mg dose
Usage History
Markers to Monitor
Marker Interactions
Frequently Asked Questions
Related Articles
How to Inject IM and SubQ: The Complete Guide for Every Site
Step-by-step injection guide covering every IM and SubQ site, needle selection by compound, Z-track technique, PIP prevention, and site rotation.
TRT Alternatives: A Decision Guide for Low Testosterone
Not sure if TRT is right for you? Compare enclomiphene, HCG, lifestyle changes, and supplements with real data to find the best path for your situation.
On-Cycle Support Protocol: Every Supplement Mapped to Your Bloodwork
Evidence-based on-cycle support protocol with every supplement mapped to the blood markers it protects. Dosing, timing, and protocols by cycle type.
Best Cholesterol Supplements On Cycle, Ranked by Evidence (2026)
We ranked every cholesterol supplement by clinical effect size for steroid users: bergamot, fish oil, niacin, berberine, red yeast rice, and more. Exact doses, HDL vs LDL targets, and when a statin is the smarter call.
Quick Reference
Category
AAS
Half-Life
4-5 days
Detection Time
3 months