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Steroid Profiles

Neotest 250 (Testosterone Decanoate)

Chemical Composition

4-androstene-3-one, 17beta-ol
(Testosterone Base + Decanoate Ester)

Molecular Weight (base): 288.429
Molecular Weight (ester): 115.15
Formula (base): C19 H28 O2
Formula (ester): C6H12O2
Melting Point (base): 155
Melting Point (ester): 31-32 C
Manufacturer: Loeffler
Effective Dose (Men): 300-2000 mg/week
Effective Dose (Women): Not Recommended
Half-Life: 15 Days
Detection Time: 3 Months
Anabolic/Androgenic Ratio: 100/100


Neotest 250, a.k.a. testosterone decanoate, is probably best known as one of the ingredients in Sustanon. Neotest 250 is testosterone with the decanoate ester, a slow-acting long ester, similar to testosterone enanthate.

More specifically, Neotests decanoate ester releases for approximately three weeks after the injection, making it similar to but slightly slower than both the cypionate and enanthate esters.


Steroid Form

The Neotest 250 brand was developed in an oil solution form for intramuscular injection, and packaged in a 10 ml multi-dose vial containing 250 mg/ml of testosterone decanoate. The individual drug Neotest 250 is no longer available, and no other independent testosterone decanoate products are known to be in circulation. At present, the decanoate version of testosterone can only be found within testosterone blends.


Indications/Purpose & Side Effects

For the Indications/Purpose & Side Effects of Neotest 250 see the Testosterone Enanthate profile.


Additional Information

Neotest 250 provides a solid physiological supporting testosterone base for bulking cycles which often include mass builders like Equipoise, Trenbolone, Deca-Durabolin, and Dianabol. Similarly, Neotest 250 can also be stacked as a potent cutting cycle foundation for definition enhancing anabolics such as Oral Turinabol, Oxandrolone, Primobolan, and Winstrol.

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