Testosterone Enanthate
The gold-standard reference anabolic compound. Long-ester testosterone providing stable blood levels with weekly or bi-weekly injections. Used as the base of virtually all cycles.
Mechanism of Action
Binds androgen receptors (AR) directly and via 5α-reduction to DHT. Aromatizes to estradiol via CYP19A1. Increases IGF-1 production, nitrogen retention, and satellite cell activity.
Typical Dosing
Effect Profile
Side Effect Profile
Research Studies
The effects of supraphysiologic doses of testosterone on muscle size and strength in normal men
Bhasin S, et al. · 1996
Landmark RCT: 600 mg/wk testosterone enanthate for 10 weeks produced 6.1 kg lean mass gain and 33% strength increase in the squat vs. placebo — establishing clear dose-response for muscle growth.
Dose-response relationships between testosterone concentrations and body composition, strength, and sexual functions in healthy older men
Bhasin S, et al. · 2001
Graded testosterone doses (25–600 mg/wk) showed dose-dependent increases in lean body mass and strength; fat-free mass gains were significant at all doses above 125 mg/wk.
Testosterone dose-dependently increases maximal voluntary strength and leg power, but does not affect fatigability or specific tension
Storer TW, et al. · 2003
Dose-dependent strength increases: 600 mg/wk testosterone improved leg press performance significantly more than lower doses, confirming pharmacodynamic relationship.