Profile of Testosterone Cypionate

  • Structure: 17b-hydroxy-4-androsten-3-one
  • Testosterone base + cypionate ester
  • Formula: C27H40O3
  • Molecular Weight: 412.6112
  • Molecular Weight (base): 288.429Testosterone cypionate.svg
  • Molecular Weight (ester): 132.1184
  • Formula (base): C19H28O2
  • Formula (ester): C8H14O2
  • Melting Point (base): 155
  • Melting Point (ester): 98 - 104 C
  • Manufacturer: Various
  • Effective Dose (Men): 300-2000mg+ week
  • Effective Dose (Women): Not recommended
  • Active life: 8 days
  • Detection Time: 3 months
  • Anabolic/Androgenic ratio: 100/100


Overview And History of Testosterone Cypionate

Testosterone Cypionate is one of the many esterified variants of Testosterone available and is most likely the second most popular esterified variant (the first being Testosterone Enanthate). The interesting fact about Testosterone Cypionate, however, is that it seems to have a distinct favor of popularity among American bodybuilders and athletes over the Enanthate variant.

Unlike Testosterone Enanthate, which is primarily known as an international item, Testosterone Cypionate is known to be the US answer to the Enanthate variant (although Testosterone Enanthate is utilized almost just as equally in the US). As Testosterone Cypionate was the American response to the international product Testosterone Enanthate, many American bodybuilders and athletes throughout the 1960s, 70s, and 80s preferred the use of Testosterone Cypionate over the Enanthate variant for no reason other than the support of an American product, very much akin to an issue of pride (once again, the Cypionate and Enanthate variants of Testosterone are both almost 100% identical and there is no practical reason to prefer one compound over the other).

However, there have been very minimal reports of various patients that prefer Testosterone Cypionate to Testosterone Enanthate if only because some individuals tend to respond better at the injection site.

Medically, Testosterone Cypionate, like Enanthate, is used primarily for the treatment of androgen-deficient male patients (hypogonadism and andropause). In recent years, just like Testosterone Enanthate, Testosterone Cypionate has been investigated in its use as a male birth control drug at a dose of 200mg weekly.

Testosterone Cypionate improves muscle contraction by increasing the number of motor neutrons in muscle and improves neuromuscular transmission, which is why many athletes see massive strength gains while using it.

In the 1970s, Testosterone Cypionate, like all anabolic steroids at the time, had its recognized medicinal use narrowed. The FDA had limited the drug's permitted medicinal uses to treat male androgen insufficiency (hypogonadism and andropause). Testosterone Cypionate made an even better argument for its application restrictions, because Testosterone is a powerful androgen that is inappropriate for usage in females and children, whereas alternative anabolic steroids (such as Anavar and Primobolan) might be used instead.

Testosterone is the predominant male sex hormone, and it is generated by all humans. It boosts athletic and bodybuilding performance. Testosterone Cypionate is identical to Testosterone Enanthate in terms of strength and effectiveness.

Chemistry Behind Testosterone Cypionate

Testosterone Cypionate is simply Testosterone with the Cypionate ester bound to the Testosterone chemical structure. Specifically, ‘Cypionate’ is Cypionic acid, but once bound to Testosterone it is properly referred to in chemistry as an ester bond (or ester linkage). Cypionic acid is chemically bound to the 17-beta hydroxyl group on the Testosterone structure.

 Esterified anabolic holds a greater degree of solubility in fats, and is, therefore, released slower from the injection site in comparison to un-esterified Testosterone – however, this is not the main reason why esters extend the release rate and half-life of the given anabolic steroid it is attached to.

The primary reason for the augmentation of its half-life and release rate is due to the fact that when Testosterone Cypionate enters the bloodstream, enzymes will bind to the Testosterone Cypionate molecule and break the bond between the ester and the hormone, which takes a varying amount of time depending on the size of the ester in question.

This is why larger esters such as Cypionate, Enanthate, Decanoate, and so forth all possess longer half-lives than the smaller shorter esters such as Propionate, Phenylpropionate, Acetate, etc. Therefore, the result is that the ester is removed from the hormone via enzymes, and what is left over following this chemical interaction is pure Testosterone that is free to do its work in the body.

This process of enzymes cleaving off the ester from the Testosterone molecule is what is ultimately responsible for the slower release rates. Pure Testosterone alone with no ester bonded to it possesses a half-life of approximately 2 – 4 hours. When the Cypionate ester is attached to it, creating Testosterone Cypionate, the half-life of Testosterone is now extended to 12 days, which results in a slower release and activity of the hormone.

With so many anabolic steroids to select from, Testosterone Cypionate stands out for its flexibility and tolerability. It is difficult to go wrong with this steroid in any cycle, and it is ideal for both novices and experienced steroid users. If you're new to anabolic steroids and have reached the limit of your natural potential, this is the steroid to use to restart your growth. If you are an experienced steroid user who has taken Cypionate in the past, it will continue to be just as effective every time.

This is not an anabolic steroid that is just effective for a specific set of individuals or at a given moment, but rather a strong foundational steroid that may be used at any time.

Effects Of Testosterone Cypionate

Almost every anabolic steroid advantage may be acquired with a well-planned Testosterone Cypionate cycle. Off-season athletes can acquire more lean muscle mass while gaining less body fat. You must consume enough calories to develop, and fat gain will occur; however, Testosterone Cypionate will ensure that the majority of your weight growth is the weight you desire.

While the benefits of Testosterone Cypionate are most commonly used for off-season bulking, they may also be quite effective during the cutting phase. We can keep significantly more lean muscle tissue during this period of usage than would otherwise be lost. We must burn more calories than we consume in order to shed body fat, and this can and frequently does lead to muscular and strength gains.

The longer and harder you diet, the more muscle, and strength you'll lose, yet Testosterone Cypionate's characteristics maintain muscle tissue and strength.

Testosterone Cypionate characterizes performance improvement by its potential to boost recovery and endurance, regardless of the aim of use. Your body will recover faster and you will not wear out as soon if you use a performance level dosage of Testosterone Cypionate. This will allow you to work out longer and harder, allowing you to make greater progress. This is the pinnacle of performance improvement.


Where side effects are concerned, Testosterone Cypionate could be described as being moderate. The truth of the matter is that Testosterone Cypionate has a longer half-life due to its longer fatty acid ester chain, which does modulate its side effect profile ever so slightly, but this is really a matter of splitting hairs and never noticeable. Testosterone is the primary male hormone manufactured in humans and in all vertebrates and is the father of all anabolic steroids.

Estrogenic side effects are the first and primary concern that almost all anabolic steroid users consider and research surrounding Testosterone Cypionate. Testosterone itself is known for being an aromatizable anabolic steroid (meaning, it converts – aromatizes – into Estrogen in the body).

The aromatization rate of Testosterone Cypionate in relation to other anabolic steroids is moderate at best. Being that Testosterone Cypionate is an androgen, users are also susceptible to androgenic side effects as well. Testosterone is also known for its reduction to a much more powerful androgen, Dihydrotestosterone (DHT), in the body – particularly in higher degrees in various tissues, such as the scalp, prostate, and skin.

Much like Testosterone Enanthate, Testosterone Cypionate has been found in studies to exert absolutely no hepatotoxic (liver toxic) activity in the body, even when administered orally at what would be considered extreme doses.

Because Testosterone is, of course, an androgenic anabolic steroid, it does impose suppression and shutdown of the hypothalamic testicular pituitary axis (HPTA) during use. In other words, it will cause the body to stop manufacturing its own natural endogenous Testosterone.

Other known potential side effects that follow Testosterone Cypionate use include negative cardiovascular impacts, most notably the reduction of ‘good’ (HDL) cholesterol in the bloodstream during use.

It should be noted; that when it comes to performance enhancement, Testosterone Cypionate for women is not recommended. This is a steroid that carries far too much androgenic activity; after all, it is the primary male androgen.

Women can suffer from low testosterone and there can be therapeutic benefits from the use of Testosterone Cypionate; however, such treatment plans will be tremendously low dosed and should be watched closely for virilization symptoms.

Cycles And Usage of Testosterone Cypionate

Testosterone Cypionate is administered medically at 250mg once every 2–4 weeks, depending on the physician's regimen and the patient's success with TRT therapy.

In the world of bodybuilding and performance improvement, a starting dose range for Testosterone Cypionate is 300 – 500mg weekly. Intermediate Testosterone Cypionate dosages are typically in the 500–750mg per week range, while advanced users are known to use 1,000mg or more per week of Testosterone Cypionate.

Because Testosterone Cypionate has a half-life of 10–12 days, it is recommended that it be taken once a week at the very least. However, if one desires to get the highest potential outcomes, Testosterone Cypionate should be administered.

Testosterone Cypionate is administered medically at 250mg once every 2–4 weeks, depending on the physician's regimen and the patient's success with TRT therapy.

However, if the optimum results are desired, Testosterone Cypionate should be delivered two times each week, with the amount evenly distributed between injections. For example, a weekly dose of 500mg of Testosterone Cypionate should be divided into 250mg on Monday and 250mg on Thursday. This lowers undesired side effects caused by increasing hormone blood plasma levels by minimizing peaks and troughs in blood plasma levels.

How To Buy And Price Testosterone Cypionate?

Within the anabolic steroid market, Testosterone Cypionate is a reasonably popular chemical that frequently competes with Testosterone Enanthate for popularity. This product should be easy to find on the market because it is both common and simple to make. This also ensures that Testosterone Cypionate is one of the most affordable options available. There are both human-grade pharmaceutical-grade Testosterone Cypionate and underground lab (UGL)-grade Testosterone Cypionate products on the market. The distinctions are clear, with quality control being the most important factor, and pharmaceutical grade Testosterone Cypionate being more expensive for obvious reasons.

Online sources and suppliers, as well as conventional in-person transactions (i.e. 'gym-dealers,') are available to acquire Testosterone Cypionate. Prices are subject to change.

The, Testosterone Cypionate is a reasonably popular chemical. A single 1ml vial of prescription Testosterone Cypionate containing 250mg/ml costs roughly $13 - $15. (Which is usually the standard for pharmaceutical-grade glass ampoules). A single 10ml vial of Underground Testosterone Cypionate containing 250mg/ml usually costs $60–$90.

You may simply acquire Testosterone Cypionate online; in fact, this is the most convenient and widespread method of anabolic steroid acquisition. Even yet, anabolic steroids are categorized as Schedule III restricted drugs in the United States, with serious legal consequences if they are used illegally.

Positive Research on Testosterone Cypionate

With so many anabolic steroids to select from, Testosterone Cypionate stands out for its flexibility and tolerability. It is difficult to go wrong with this steroid in any cycle, and it is ideal for both novices and experienced steroid users. If you're new to anabolic steroids and have reached the limit of your natural potential, this is the steroid to use to restart your growth. If you are an experienced steroid user who has taken Cypionate in the past, it will continue to be just as effective every time. This is not an anabolic steroid that is just effective for a specific set of individuals or at a given moment, but rather a strong foundational steroid that may be used at any time.



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