MR-PHARMA Sustanon 300mg/ml

  • Product Code: G-1
  • Availability: Out Of Stock

Price: 63€


What Is It?

Sustanon is a pre-made mixture of differently esterified testosterone stored in an oil-based solution. This means that the composite mix has a range of release times and half-lives. While the basic effects and impact of the drug are similar to each of its single ingredients, the combination of esters gives it a unique, yet limited place for those using the drug for performance-enhancement. Below, we look at the composition of the drug, as well as how it affects the body and how these effects could be used for bodybuilders looking to improve their physique, or athletes seeking to boost their performance.

Sustanon 300: General Information

As mentioned above, Sustanon was developed as a mix of testosterone compounds with the only contrasting feature between the drugs included being different esters.

Each milliliter of 300 mg of Sustanon contains:

  • 80 milligrams of Testosterone Propionate
  • 60 milligrams of Testosterone Phenylpropionate
  • 60 milligrams of Testosterone Isocaproate
  • 100 milligrams of Testosterone Decanoate

This mixture of esters allows for a more prolonged release time, while also permitting more sustained levels of the drug in circulation. This is due to the combination of relatively fast-releasing, and slow-releasing esters. These include:

  • A propionate ester - composed of propionic acid, it has a half-life of 2 days.
  • An isocaproate ester - this is a moderately slow-releasing ester with a half-life of 9 days.
  • A phenylpropionate ester - made of phenyl and propionic acid ester, with a half-life of 4.5 days.
  • A decanoate ester - made from decanoic acid, it is by far the slowest-releasing ester with a half-life of 15 days.

This mix of esters has created an overall half-life of 15-18 days and allows for far less frequent administrations of the drug, which can make for a more pleasant cycle and reduce the risk of injection-related issues like site infections, irritations or soreness.

However, it should be noted that, contrary to the notion some may have of this being a superior steroid due to a sustained release, the blend of esters doesn’t seem to have the sustained effect many would assume. This could be due to interference from the competition of ingredients from the mixture. However, single-ester forms may provide better release into the body, albeit with a cost of higher injection rates. Nevertheless, the basic actions of sustanon are still the same as it’s single-ester counterparts.

Through binding to androgen receptors in the cell and causing interactions with your DNA, this drug will increase protein synthesis, reduce protein breakdown and boost muscle satellite cell concentration in the body, promoting muscular growth, strength and power. So, if using a Sustanon cycle for beginners, it is important to be aware that the biggest advantage this drug offers is a low injection frequency and a sustained release of the drug. Therefore, this drug may be most useful for beginner bodybuilders or athletes, or for off-season periods where gradual increases in lean mass is the goal.

Side Effects

Any Sustanon cycle side effects are bound to be similar to the single-ester forms of the drug. The slightly more sustained release may make some negative effects more moderate and harder to control.

As such, negative side effects of Sustanon can include:

  • Estrogen-related effects- due to the aromatisation of this drug, a high level of estrogen can be produced, increasing risk of fat and water retention as well as gynecomastia and high blood pressure.
  • Androgenic effects - another reaction to this drug with a 5-alpha-reductase enzyme, converting it to dihydrotestosterone, can increase risk of effects like acne, baldness in those genetically predisposed, and virilization in women.
  • Reduction of natural testosterone production.

This means that the drug is a more side-effect friendly choice than more modified substances, with no effects on the liver and negligible effects on cholesterol. The androgen-related effects can also be reduced by taking a 5-alpha-reductase inhibitor, like finasteride.

A drug like anastrozole, which will block the aromatase enzyme, can also be used to eliminate the formation of estrogen-related effects. However, using this inhibitor can cause the drug to have detrimental effects on cholesterol, reducing HDL, or “good” cholesterol and increasing LDL, or “bad” cholesterol. This can then increase your risk of plaque buildup and subsequent cardiac events. As such, each side effect above should be considered as it both can cause problems for the user, and makes the drug more suitable for different phases of training or fitness goals, which are further discussed below, along with which drugs, if any, should be used alongside it.

How To Stack

Sustanon cycle for beginners, using nothing but the drug alone, should usually be sufficient to elicit satisfactory results in both strength and muscle growth, even without adding a weight training program. However, more elite bodybuilders will likely want to add other drugs, such as Equipoise or Trenbolone to add further mass and strength.

Another reason for the inclusion of additional drugs, such as the drugs listed in the previous section, can be in order to prevent side effects. This process is known as “stacking”, or creating a “drug stack or cycle” and is very common in athletic and bodybuilding groups. Stacks are often named after the training cycle they are used for, such as “bulking stacks” where the objective of the drug’s use is to maximize size and muscle growth, or “cutting stacks,” where the goal is to preserve lean mass while promoting fat loss.

The more moderate and sustained estrogenic and androgenic effects make this drug a more suitable addition to a bulking cycle or off-season cycle and should be considered for this phase of training first.

Weekly Dosages

This drug has been shown to provide muscle-promoting effects at a single dose every 3-4 weeks. However, this dose is primarily used in a clinical setting and will likely be insufficient for those looking to boost performance.

Due to the lack of research on the Sustanon drug specifically, the closest indication of the drug’s effects at higher doses must be extrapolated from research on its single-ester cousins.

From 250 Up To 500 mg Per Week: Higher Doses for Bodybuilding

A Sustanon dosage of 250-500 mg per week would seem to be a lower range of a performance-enhancing dose, though it will definitely provide beneficial effects for this goal. While this will be effective for beginners in those using performance-enhancing drugs, and hold a low risk of adverse effects, more advanced bodybuilders may benefit from higher doses due to an increase in androgen receptors and a need for higher stimulus.

From 500 mg To 1000 mg Of Week: Very High Doses for Advanced Bodybuilders

Dosages of 500-1000 mg of this drug will likely be the preferable dose of Sustanon 300 for advanced bodybuilders looking to increase mass and strength. This is due to a higher level of anabolic and androgenic action from the higher dose, which will be useful in bodybuilders who have a greater amount of androgen receptors from repeated use. This dose, like the one above, can be administered through a once-weekly injection along with any other drugs that are being used in the cycle.

Main Benefits For Athletes and Bodybuilders

The primary, general benefits of using Sustanon would be an increase in lean mass and strength when used during a bulking cycle. However, the specific benefits to Sustanon 300 are a lower amount of weekly injections than other forms of the drug with shorter esters. It is also a relatively friendly drug in terms of negative effects and is a good choice for either therapeutic use, through hormone replacement therapy or anti-aging uses, or for beginners looking to obtain a performance-enhancing benefit.

So, while this drug may not be at the top of some athletes’ lists of preferred substances, there are still quite a few Sustanon benefits that make this drug worthy of consideration for aesthetics or performance-enhancement.

Package 1 vial (10 ml/vial)
Manufacturer MR Pharmaceutical
Substance Sustanon 300 mg/ml
Common name Sustanon

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