Andro Labs Mast. E 200mg/ml (Drostanolone Enathate)
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Drostanolone Enanthate, commonly referred to as "Mast E," is the long-acting ester variant of the steroid Masteron. While the active hormone (Drostanolone) is exactly the same as in the Propionate version, the delivery system is different.
How It Works: The "Convenient" Masteron
The primary difference lies in the ester attached to the hormone:
Slower Release: The Enanthate ester allows the hormone to be released slowly into the bloodstream over several days.
Half-Life: Approximately 7 to 10 days (compared to ~2 days for Masteron Propionate).
Injection Frequency: This drastically reduces the need for injections. Instead of pinning every day or every other day, users can inject just twice a week.
Identical Effects: Like its short-ester brother, it acts as a cosmetic hardener. It promotes a grainy, dense look and helps drive out subcutaneous water via its mild anti-estrogenic properties.
SHBG Binding: It is highly effective at binding to Sex Hormone-Binding Globulin (SHBG), which enhances the effectiveness of other steroids (like Testosterone) in the cycle.
Common Brand Names
Masteron Enanthate (General UGL name).
Note: Historically, the pharmaceutical grade Masteron was almost exclusively Propionate. The Enanthate version is largely a creation of Underground Labs (UGLs) to meet bodybuilders' demand for less frequent pinning.
General Dosage Guidelines
Because the Enanthate ester takes up more weight in the molecular structure than the Propionate ester, users typically run the dosage slightly higher to get the same amount of active hormone.
Injection Frequency: Typically injected twice per week (e.g., Monday and Thursday) to maintain stable blood levels.
1. Cutting / Contest Prep
Dosage: 400 mg to 600 mg per week.
Stacking: It is commonly stacked with Testosterone Enanthate and Trenbolone Enanthate. This creates a powerful "Long Ester Cutting Cycle" where all compounds can be mixed in the same syringe and injected on the same schedule.
Duration: 10 to 12 weeks. (It takes longer to "kick in" than the Propionate version, so short cycles are not effective).
2. Body Fat Requirement
Rule of Thumb: Just like the Propionate version, Masteron Enanthate is effectively useless for cosmetic purposes if you are above 12% body fat. It is a "finishing" drug, not a fat burner.