Masteron-100 Rotterdam-Pharmaceutical


  • Product Code: FMRI7104
  • Availability: In Stock
SKU: FMRI7104 Categories: ,


PRESENTATION: Vial of 10 ml.

EACH ML CONTAINS: 100 mg. of Drostenolone Propionate.

Laboratory: Rotterdam Pharmaceutical

APPLICATION: Intramuscular injection.

DENOMINATION: Masteron-100, Masteron.

Masterone 100 0 Drostanolone Propionate is an anabolic androgenic steroid that hit the market around 1970 under the trade name Masteron manufactured by Syntex. The steroid is, however, still hugely popular in competitive bodybuilding and is often considered essential to contest preparation.

* Functions and Features:

Drostanolone Propionate is a dihydrotestosterone (DHT) derived anabolic steroid. Specifically, Masteron is the DHT hormone that has been structurally altered by the addition of a methyl group at the 2-carbon position. This protects the hormone from metabolic breakdown by the enzyme 3-hydroxysteroid dehydrogenase, which is found in skeletal muscle. It also greatly increases the anabolic nature of the hormone. This simple structural change is all you need to create Drostanolone, and the short-chain propionate ester it's attached to controls the timing of the hormone's release. Drostanolone Enanthate can also be found and does not have to be injected as often, but is somewhat rare compared to the Propionate version. Most of all the Masteron on the market will be Drostanolone Propionate. On a functional basis, Masteron is known to be one of the few anabolic steroids with strong anti-estrogenic properties. Not only does this steroid carry no estrogenic activity, it can actually act as an anti-estrogen in the body. This is why it has been effective in treating breast cancer.In fact, the combination of Masteron and Nolvadex (Tamoxifen Citrate) has been shown to be much more effective than chemotherapy in treating inoperable breast cancer in postmenopausal women. This also makes it a popular steroid with bodybuilders as it could actually prohibit the need for an anti-estrogen when used in the correct cycle. This will also be advantageous during the cutting phase due to the hardening effects it can provide. Masteron carries relatively low anabolic/androgenic ratings; however, these ratings are somewhat misleading. It is important to remember that DHT, the basis of Masteron, is five times more androgenic than testosterone with a much stronger binding affinity for the androgen receptor. Again, this promotes a harder look and can also increase fat loss. Most all anabolic steroids are well known for improving metabolic rate, but strong androgens have a tendency to directly promote lipolysis. As an anabolic, Masteron is not known to promote lean muscle mass gains. It has never been used for muscle loss in a therapeutic sense and is almost always found in cutting plans among performance athletes. It can, however, promote significant increases in strength, which could prove beneficial to an athlete who may not necessarily be looking for raw mass.

* Effects of Masteron:

Without a doubt, the effects of Masteron will show up at their most efficient during a cutting cycle. However, for the effects to be truly appreciated, the individual will need to be very lean. This is why the hormone is most commonly found at the end of bodybuilding prep cycles when the individual should already be quite lean at this stage.The added Masteron will help you lose that last bit of fat that is often hanging on for dear life at the end of a cycle. It will also ensure a very tough look on your physique as it may be. Of course, the anti-estrogenic effect will simply enhance this overall look. For those who are not competitive lean bodybuilders, it is possible that the effects of Masteron may not be all that remarkable. The individual who is below 10% body fat should be able to notice some results and produce a dry, hard appearance, but much over 10% body fat the effects may not be as pronounced. As a potent androgen, Masteron can benefit the athlete seeking an increase in strength. This can be a very beneficial steroid for an athlete who is following a calorie-restricted diet in an effort to maintain a specific body weight needed for him. The individual can easily enjoy moderate strength gains and a slight improvement in muscle recovery and endurance without unwanted body weight gain. As a bulking agent, the effects of Masteron will prove to be over weeks. It is possible that the hormone could provide similar mass gains to Primobolan Depot, which will not be as strong, if the total dose was not high enough. However, the relative gain in size will be very moderate with many anabolic steroids being much more suitable for this period of steroid supplementation. There are those who may wish to include Masteron in a bulking plan for its fat loss and anti-estrogenic effects. The latter would make sure that you keep your body fat gain minimized during the off-season bulking phases, but this is not reason enough to use it in this phase. Body fat should be controllable without it.As for anti-estrogenic effects, off-season cycles are typically made up of high amounts of aromatase activity due to high doses of testosterone. Progesterone activity is also commonly high with the addition of Nandrolone compounds and possible Trenbolone. With Oxymetalona or Dianabol this estrogenic activity can become very pronounced. Unfortunately, while it does possess anti-estrogenic effects, Masteron will not be strong enough to combat this level of estrogenic activity.



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