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Masteron Propionate Muscle Hardens Steroids Powder Masteron For Bodybuilders

Place of Origin China
Brand Name MALL
Certification TESTING
Model Number 521 12 0
Minimum Order Quantity 10g
Price negotiable
Packaging Details 10g,50g,1kg bag
Delivery Time 1-3 working days to ship, then about 5-12 working days for delivery
Payment Terms , , T/T, Bank transfer and BTC or Another Payment Method
Supply Ability 1000 kg per month
Product Details
Name Drostanolone Propionate Function Bodybuilding
Appearance White Powder Shelf Life 2 Years
Grade Standard Medical Grade Cas No. CAS 521 12 0
MF C23H36O3 Assay HPLC 99%
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Product Description

Masteron Propionate Muscle Hardens Steroids Powder Masteron For Bodybuilders

Masteron Propionate Muscle Hardens Steroids Powder Masteron For Bodybuilders 0

Appearance White crystalline powder.
Name Drostanolone propionate
Effective Dose (men) 350mgs/week (*100mgs Every other day) to 500mgs/week
Effective Dose (women) 50-100mg/week
Active Life 2-3 days
Detection time 3 weeks
Supply Ability 100kg/month
MOQ 10g
Melting Point 125℃—127℃
Specific Rotation +27.5°
Loss On Drying 0.20% (≤0.5%)
Residue On Ignition 0.02% (≤0.1%)
Assay 99.8%



Masteron Description:


Masteron is a modified form of Dihydrotestosterone, with a methyl group at the 2nd carbon atom. This modification is responsible for the anabolic strength increase. This methyl group makes it harder for the enzyme 3-hydroxysteroid dehydrogenase to metabolize Masteron. This enzyme is abundantly present in muscle tissue, and is responsible for degrading any DHT into two inactive metabolites: 3-Alpha Androstanediol and 3-Beta Androstanediol. Because of this enzyme DHT is not anabolic in muscle tissue at all. It is believed that if the enzyme 3-hydroxysteroid dehydrogenase was neutralized, DHT would actually be a very powerful anabolic steroid. Drostanolone's methyl group addition makes it imune to this enzyme.


Drostanolone is injected into the body as an ester (bonded to either Propionate or Enanthate). Enzymes cleave off the ester from the Masteron molecule - which takes varying amount of time depending on which ester was used. This process causes the gradual release rate and extended half-life of the steroid. Drostanolone Propionate has a half-life of 2.5 days, while Drostanolone Enanthate has a half-life of 10 days.



Masteron Effects:


1) physical / athletic performance enhancement (endurance, strength, faster regeneration)
2) physique enhancement (muscle buildup, fat loss)

3) increase in collagen synthesis and bone mineral content. Collagen is the protein-based construction

4) material for connective tissues throughout the body (the ligaments, tendons, cartilage, joints, and bones).
5) heightened self esteem
6) deeper (manly) voice
7) darkening and thickening of body hair
8) increase in levels of IGF-1 and MGF hormones (which also promote muscle growth)
9) increased hemoglobin (red blood cell count)
10) anti-catabolic effect on muscle tissues by way of acting as an anti-glucocorticoid



Masteron For Body Builders


Masteron’s importance as medication for cancer has diminished over the years due to various reasons but it is one of the most sought after drugs by body builders. This is because of the same reasons the steroid was so popular for the treatment of breast cancer. It does not aromatize and interact with estrogen already present to get converted into a blocker at the site of reception in the body. It works very well as an ancillary drug to combat estrogenic or progestronic side effects of other steroids that one might be using. It can be included in your steroid cycle instead of Arimidex and Letrozole as a drug to fight side effects.


Although its anabolic and androgenic strengths fall in the mild or low category, its androgenic properties are very visible, including hardening of the muscle and deepening of the voice. Masteron hardens muscles while keeping the fat or lipid content low in the body. Its cycle is short which means it lasts in the body for not more than 60 hours after consumption. This makes Masteron an effective “pre-contest” steroid. Also, its effects have been found to be most pronounced when administered on a body, which already has minimal fat and falls in the category of skinny. On contrary to what was popularly believed, it is not to be used by women other than for treatment. It has been observed over the years that its adrogenic properties are strong despite having a low strength. This is because being a DHT drug; it is five times more adrogenic than testosterone to which it is compared. To top it, it has shown a couple of times more affinity to receptor sites present in the body.



Masteron for Treating Breast Cancer


Masteron has emerged as one of the most important steroids in the treatment of breast cancer in women by inhibiting and preventing tumors. It has become popular for this purpose as an antineoplastic agent with low anabolic and androgenic strength. It brings down the estrogen levels in the body without the virilizing effects that were seen in women due to the use of other anabolic steroids.



Some patients found the use of Masteron with Tamoxifen (a Selective Estrogen Receptor Modulator) to initially be more helpful than chemotherapy. It has been found that Masteron interacts with certain enzymes in the body to prevent aromatization of other steroids present in the body that reduce estrogen levels. The Food and Drug Administration approved to the production of this steroid for precisely this reason. Historically speaking, it was first brought out in the markets by pharmaceutical companies Lilly and Syntex and some people say that it is one of those few steroids that were made by keeping women in mind.



Product Name Drostanolone Propionate Batch NO. 20160920
Test Date Sep.,20th,2016 Quantity 15kg
Reported Date Sep.,20th,2016 Manufacturing Sep.,20th,2016
Test Reference USP34 Expiry Date Sep,2018
Test Specification Results


UV spectrum

IR spectrum




Characteristics White to almost white crystalline powder conform
Melting point 124 ~ 128℃ 127℃
Specific optical rotation ﹢26°~﹢32° ﹢27°
Residue on ignition ≤0.05% 0.03%
Solubility practically insoluble in water,freely soluble in chloroform ,slight soluble alcohol and vegetable oil Pass
Heavy metal ≤20ppm 10ppm
Residual solvents(GC)

Methylene chloride ≤ 600ppm

Methanol ≤3000ppm








Loss on drying ≤0.5% 0.23%
Assay 97.0 ~ 103.0% 99.1%
Particle size 100%≤20um Pass
Conclusion This batch complies with Enterprise Standard
Supervisor Yang DeXin Analyst ChenJiaoJiao



Drostanolone propionate is used primarily by athletes who need to retain strength while losing mass. Drostanolone propionateis beneficial to runners and athletes who must remain in a certain weight class.

Drostanolone propionate has gained popularity in the bodybuilding community as a diuretic and muscle defining drug. Individuals interested in using the drostanolone propionate are those that are looking to add muscle hardness and density to their physiques, nearly always for the purpose of bodybuilding competitions.


Steroids Hormone Drostanolone propionate / Masteron/Drostanolone/Drolban/CAS No: 521-12-0 Masteron is often an ideal choice for inclusion in a steroid stack, or in some cases for use as the sole injectable for a steroid cycle. An enanthate ester version having a half-life of probably 5 days has become available. This version of Masteron may be injected as infrequently as twice per week.




Masteron Propionate Muscle Hardens Steroids Powder Masteron For Bodybuilders 1


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