Testosterone Propionate

Administration: Injectable

Alternative Names:

Testoxyl Propionate 100, Propionat 100, Testosterona P – Propandrol, Testodex Propionate 100, Testosterone P 100, Testaplex P 100, Testabol Propionate, Propha-Testosterone 100, Ultima-Prop

General Information:

(Testosterone shown with Propionate ester)
(Testosterone + Propionate ester)
[4-androstene-3-one, 17beta-ol]
Formula (base): C19 H28 O2
Formula (ester): C3 H6 O2
Molecular Weight (base): 288.429
Molecular Weight (ester): 74.0792
Melting Point (base): 155
Melting Point (ester): 21C
Manufacturer: Various
Effective Dose (Men): 350-2000mg+ week.
Effective Dose (Women): 50-100mgs/week
Active life: 2-3 days
Detection Time: 2-3 weeks
Anabolic/Androgenic ratio: 100/100

As we all know, Testosterone was the first steroid to be synthesized. Now, it remains the gold standard of all steroids. First, we’ll discuss Testosterone in general, then we’ll examine exactly what the propionate ester is and how it works (together, testosterone propionate is often referred to as just “prop” or “test prop”).

So how exactly does testosterone build muscle? Well, Testosterone promotes nitrogen retention in the muscle , the more nitrogen the muscle holds, the more protein the muscle stores and the bigger the muscle gets. Testosterone can also increase the levels of another anabolic hormone, IGF-1, in muscle tissue . By itself IGF-1 is highly anabolic and can promote muscle growth. It is responsible for
much of the anabolic activity of Growth Hormone (GH). IGF-1 is also one of the few hormones positively correlated with both muscle cell hyperplasia and hyperphasia (this means it both creates more muscle fibers as well as bigger fibers). All of this leads me to speculate that for pure mass, IGF-1, GH, and Testosterone would be a
very effective combination.Testosterone also has the amazing ability to increase the activity of satellite cells . These cells play a very active role in repairing damaged muscle. Testosterone also binds to the androgen receptor (A.R.) to promote all of the A.R dependant mechanisms for muscle gain and fat loss , but as we’ve seen, this isn’t the only mechanism that promotes growth.

Testosterone has a profound ability to protect your hard earned muscle from the catabolic (muscle wasting) glucocorticoid hormones , and increases red blood cell production . As you may know, a higher RBC count may also improve endurance via better oxygenated blood. The former trait increases nitrogen retention
and muscle building while the latter can improve recovery from strenuous physical activity, as well as increase endurance and tolerance to strenuous exercise.

Testosterone is also a relatively safe steroid to use, with some studies showing no adverse effects from 20weeks at 600mgs/week !

Testosterone is usually attached to an ester (i.e. when you buy testosterone propionate, the subject of this profile, you are buying testosterone with a propionate ester attached). The ester
determines how long it takes your body to dispose of the steroid in question, and propionate is the shortest ester available with a testosterone base (of course, testosterone suspension has no
ester). There are enzymes, called esterases, in your body that have the function of removing the ester from steroids and leaving you with just the steroid molecule with the ester cleaved off. The
heaviness of the ester chain, determines how long it takes the esterase to remove it.

Side effects :

Nausea, vomiting, headache, skin color changes, increased/decreased sexual interest, oily skin, hair loss, and acne may occur. Pain and redness at the injection site may also occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.

Testosterone Propionate dosage:

Testosterone Propionate comes in bottles dosed at 1ml/100mg.

Beginner Cycle

100mg every other day, for 8 weeks.

Note: Testosterone Propionate generally isn’t advised for beginners, due to painful injections (and having to be administered frequently).

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Intermediate Cycle

150mg every other day, for 8 weeks.

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Advanced Cycle

200mg every other day, for 8-10 weeks.

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Other supplements:

• Fish oil (4g/day)
• Nolvadex (20-40mg day)

Note: Intermediates and advanced steroid users may want to stack Testosterone Propionate with other compounds for maximum results; however, this isn’t recommended for beginners (due to additional side effects).