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  Sustanon 250
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Sustanon 250

Chemical Name: Testosterone Blend
Drug Class: Injectable Anabolic Steroid



Sustanon 250 Pictures1 milliliter of Sustanon 250 Contains:
30 mgs Testosterone Propionate
60mgs testosterone Phenylpropionate
60mgs testosterone Isocaproate
100mgs testosterone Decanoate -100 mg

This product was the first multi-estered blend of testosterone available on the market, and was developed by Organon as an ideal HRT (Hormone Replacement Therapy) solution. To this day, most multi-estered blends are often referred to as the “(drug name) version of Sustanon” and many underground labs produce their own testosterone blends with a different number at the end (ex: “Sustanon 250” or whatever). It was meant to give the user consistently elevated blood levels of testosterone over the course of a month, and thus eliminate the need for frequent trips to the doctors office for injections. This drug was very popular in the 80’s and 90’s, and was often thought of as being a “stack” in one drug. This isn’t really accurate, because, in the end all you have is testosterone once your body has metabolized it.


Lately, it seems that this product has fallen out the radar for the most part, as it’s a bit expensive compared to other, single ester, testosterone products.

Sustanon will do exactly what any other form of testosterone will do, no more and no less. This means that it will cause muscle growth as well as fat loss, by sending a message to your muscles to store more protein (that’s its primary anabolic effect), while also protecting your muscles from catabolic (muscle wasting) [1]. It will also change both the appearance and the actual number of muscle fibers in your body[2]. We also find that aggression levels rise with the use of any form of testosterone [3], and it also increases erythropoiesis (red blood cell production) in your kidneys[4]. This higher Red Blood Cell (RBC) count may actually improve endurance. Thus, it’s appropriate to say that Sustanon will increase strength, size, aggression, and maybe even endurance but certainly work capacity and recovery. More RBCs can also improve recovery from strenuous physical activity. In addition, Testosterone improves muscle contractile ability by two mechanisms: increasing the number of motor neutrons in muscle[5] and improving neuromuscular transmission[6]. Also, testosterone is a well known promoter of glycogen synthesis.[7]

As with any form of testosterone, Sustanon will convert to the primary female hormone estrogen (via a mechanism known as aromatization) when it is metabolized by the aromatize enzyme. Estrogen can lead to side effects, such as acne, the growth of breast tissue (called gynocomastia), as well as fat gain and reduced fat breakdown, testicular shrinkage and water retention. Testosterone is also metabolized into Dihydrotestosterone (DHT) by the 5alpha-reductase enzyme. This is a more androgenic form of Testosterone, and DHT has a high binding affinity to the tissues of both the prostate and the scalp resulting in hair loss in loss in users who may suffer from male pattern baldness. Prostate enlargement is also possible.

The only real downside to Sustanon is its relatively high cost. When compared with other forms of testosterone, you’re typically not getting a very good buy for your money when you choose to use any multi-estered product. However, as long as Sustanon remains easily accessible on the black market, it’s going to be found in cycles for a long time to come.


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  1. ^ J Lab Clin Med. 1995 Mar;125(3):326-33.
  2. ^ Anat Histol Embryol. 2003 Apr;32(2):70-9.
  3. ^ Health Psychol. 1990;9(6):774-91.
  4. ^ Zhonghua Nan Ke Xue. 2003;9(4):248-51
  5. ^ Curr Opin Clin Nutr Metab Care. 2004 May;7(3):271-7.
  6. ^ J Appl Physiol. 2001 Mar;90(3):850-6.
  7. ^ Can J Physiol Pharmacol. 1999 Apr;77(4):300-4.

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