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Catalog / Mast E 300
COMING SOON Mast E 300
USP GRADE DHT derivative (drostanolone enanthate)

Mast E 300

Drostanolone enanthate 300 mg/mL
113.75
Retail Pricing · Single 10 mL Vial
● Coming Soon · Not Yet Available
1
Active Half-Life
8–10 days
Aromatization / Estrogen
No — mildly anti-estrogenic
Dosage & Administration Ranges
300–600 mg/week
Biological Application & Protocol Context
Long-ester Masteron for cutting and hardening. • Contest-prep muscle definition and density • Mild anti-estrogenic hardening agent • Pairs with Test/Deca to offset water retention • Lower pin frequency than the propionate ester
Clinical Profile & Side Effects
• DHT-driven — hair shedding, oily skin • No significant aromatization • Mildly anti-estrogenic (may lower E2) • Androgenic — may aggravate acne in prone users
Verification Citations & PubChem Monographs
https://pubchem.ncbi.nlm.nih.gov/compound/Drostanolone-enanthate https://en.wikipedia.org/wiki/Drostanolone_propionate
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