Also known as
S4 Masteron
S4 Masteron is an alternative name used for 1 product in the PoseidonRX catalogue. The underlying active compound is Drostanolone enanthate — a anabolic steroid (injectable) commonly used in research and athletic-performance contexts. Browse the matching pharmaceutical-grade options below; for dosing, mechanism of action and safety considerations, follow the link to the active-ingredient reference page.
Active ingredient
Drostanolone enanthate
Anabolic Steroid (Injectable)
Questions & answers
What is S4 Masteron?
S4 Masteron is a brand or alternative name for Drostanolone enanthate — a anabolic steroid (injectable) used in research and athletic settings. The active compound is the same; only the branding differs.
How many products are sold as S4 Masteron?
PoseidonRX carries 1 pharmaceutical-grade product matching the alias “S4 Masteron”. All shipping is discreet and dispatched within 24 hours.
Is S4 Masteron the same as Drostanolone enanthate?
Yes — S4 Masteron is a brand-name or street-name reference to Drostanolone enanthate. The pharmacological activity, dosing ranges, and side-effect profile are identical to the parent compound. See the Drostanolone enanthate reference page for full details.