Domestic Delivery For Europe,US,Canada,Australia!
Please note: AASraw does not authorize any resellers.

Mesterolone powder

Rating: SKU: 1424-00-6-1. Category:

Other names:Proviron

AASraw is the professional manufacturer of pure Mesterolone (proviron) raw powder which has independent lab and large factory as support, all production will be carried out under CGMP regulation and trackable quality control system. The supply system is stable, both retail and wholesale orders are acceptable.Welcome to order from AASraw!

Quick Quote For Small Order

If you need to purchase this product in bulk, please use the VIP channel to get the most competitive price.

Bulk Order Quotation

 

 

Product Description

 


Mesterolone (Proviron) Powder Video-AASraw

Product Name:Mesterolone (Proviron) powder
CAS number:1424-00-6
Molecular Formula:C20H32O2
Molecular Weight:304.47
Melt Point:208 °C
Color:Off-White powder
Storage Temp:White powder

What Is Mesterolone (Proviron) Powder?

Proviron, often referred to as mesterolone chemically, is a derivative of testosterone that shares structural similarities with the hormone dihydrotestosterone (DHT) found in nature. Mesterolone is one of the oldest anabolic steroids on the market, and many different brand names have emerged over the years, but Proviron has always maintained its position as the most well-known.

Proviron was originally used in the medical field to treat diseases such as male hormone imbalance and hypogonadism. In the field of bodybuilding, as a strong androgen, although it has weak anabolic activity, due to its extremely high affinity for plasma binding proteins such as SHBG, Proviron can actually play a role in maintaining the anabolic activity like other steroids. Mesterolone is usually administered orally, and powder is also one of its common forms, so the next topic, we will focus on Mesterolone (Proviron) powder.

How Does Mesterolone (Proviron) Powder Work?

Based on the function, Proviron powder has four basic characteristics. Firstly, Proviron powder has a strong ability to bind to sex hormone binding globulin (SHBG). In fact, in this respect, its properties are the strongest among all steroids. This property increases the amount of “free” testosterone in the circulation. This is very important for steroid users, as it can keep the steroids in the body in a free state instead of binding to relevant sites. In simple terms, the drugs you inject become more effective.

Proviron powder can also disrupt the activity of aromatase which turns testosterone into estrogen.although it is not as effective as true anti-estrogen treatments like anastrozole and exemestane, Mesterolone powder can be used as an estrogen-absorbing and anti-estrogen drug in the cycle. For some steroid users, Mesterolone powder’s estrogen absorption action is already effective enough.

Furthermore, Proviron powder has a strong ability to bind to androgen receptors. This can increase the efficiency of other drugs used at the same time, but more importantly, it can directly increase metabolic efficiency by causing fat metabolism. Ultimately, Mesterolone powder does not suppress the HPTA gonadal axis like many other steroids do. Meanwhile, it is highly androgenic , which allows it to improve sperm quality and quantity.

Mesterolone (Proviron) Powder Benefits

Proviron is a DHT-derived anabolic steroid with strong androgenic properties and plasma binding protein affinity. Its benefits depend on its functional properties. Here are some of the benefits of Proviron powder:

①Medical Uses

Proviron powder’s ability to efficiently enhance testosterone levels in the body makes it one of the most uses for treating erectile dysfunction. At the same time, Proviron powder has demonstrated efficacy in treating male infertility or sub-infertility, which is frequently caused by low sperm production. Although the exact mechanism of male fertility and infertility is not entirely understood, it is known that sperm generation is influenced by androgens (such as testosterone) and gonadotropins, which are hormones that activate the genitals. Proviron powder has no effect on gonadotropins but does boost androgens.

②Anti-estrogenic Effects

Proviron pwder functions as an anti-estrogenic drug because it inhibits aromatase. Aromatase is an enzyme that transforms testosterone to estrogen. Mesterolone powder inhibits this enzyme, which helps to reduce estrogen levels in the body, lowering the likelihood of estrogen-related side effects such gynecomastia (breast tissue development) and water retention, particularly during anabolic steroid cycles.

③Fat Reduction

Proviron powder, like many other DHT-based steroids, has a direct influence on the use of the body’s fat deposits and stimulates their usage for energy in daily living, hence reducing body fat. The primary reason for fat reduction is the increase in testosterone levels caused by this program, which is another reason why it is such a successful substance when taken in a cutting cycle. Mesterolone powder reduces water retention and fat buildup, especially during a cutting cycle, making the skin drier and more vascular.

④Muscle Hardness and Density

Proviron powder is an excellent alternative for retaining strength, preserving existing muscle mass, and boosting muscle visibility during a contest preparation cycle because it increases testosterone levels while decreasing estrogen levels. This means less water retention while still reaping many of the androgenic benefits (increased power output, improved fat burning, etc.). Furthermore, Mesterolone powder will raise your muscle density since an increase in “free” testosterone stimulates your own protein synthesis, which might increase the overall gains in muscle mass.

⑤Effects of Other Steroids Enhancement

In fact, this is one of the primary reasons why most users use Proviron powder. Anabolic capacity is mostly determined by the quantity of “free” testosterone available in the body, therefore it’s clear that Proviron powder is the ideal “ally” to set the groundwork, as it may significantly increase the amount of “free” testosterone by binding to SHBG.

The Best Period to Use Mesterolone (Proviron) Powder for Bodybuilding

Proviron powder is rarely used as the primary steroid during the muscle-building period, and it may not fit into many male users’ off-season cycles. Obviously, there are exceptions. Adding mesterolone to the muscle-building cycle may assist users overcome the growth plateau. A plateau (slowing weight gain) can occur approximately midway through the cycle. Mesterolone can raise the quantity of free testosterone in the body, which can help you break through the plateau. For bodybuilders, the off-season is the time to take the most testosterone, and some even use large dosages of testosterone during the fat-cutting phase. However, for users who opt to cycle low-dose testosterone during the off-season, mesterolone can provide some androgenic benefit.

There is no doubt that Proviron powder is better suited for the fat reduction period. This steroid will increase muscular hardness, but more importantly, it can improve the efficacy of other combined steroids in improving muscle hardness. We previously noted that mesterolone powder has a high affinity for androgen receptors, which can boost fat metabolic efficiency. At the same time, we must consider mesterolone powder’s anti-estrogen action, which can prevent adverse effects including water retention and male breast development during the cycle. It can also raise the quantity of free testosterone in the body, which is especially beneficial during the fat loss phase when there isn’t much testosterone.Finally, because of its androgenic qualities, mesterolone can considerably enhance the efficacy of other steroids during fat reduction, resulting in increased muscular strength and definition. However, it should be emphasized that mesterolone is only effective when sebum is extremely low.

Mesterolone (Proviron) Powder Dosage and Cycle

When Proviron powder used as a medication to treat androgen insufficiency (such as reduced male sexual function and ability), a 25 mg tablet is typically taken three times a day for a total of 75 mg. The dosage is then lowered to 25 mg once daily after that. Male infertility is also frequently treated with this dosage, however it is typically used in conjunction with other medications (such FSH).

In bodybuilding, Proviron powder is typically used in cycles lasting 6-12 weeks, with a daily dosage of 50 to 150 mg. Bodybuilders will discover that using mesterolone powder with other medicines, notably those with low androgen concentration like Winstrol and Anavar, makes it work very well. Proviron powder can support sexual desire, enhance muscle firmness and density, control the ratio of androgens to estrogens, and encourage fat burning.

While Proviron powder is effective for female athletes, prolonged use is usually not advised. To prevent possible masculinization side effects, if medication is taken, the suggested dose is 25 mg per day, and the use cycle should not go longer than 4 to 5 weeks.

Mesterolone (Proviron) Powder Side Effects

All medications inevitably come with some negative side effects, and Proviron powder is by no means an exception to this rule. As mentioned earlier, while this item is generally considered a well-tolerated drug, there are some side effects and risks associated with its use. These side effects and risks include, but are not limited to, the following major ones:

  • Hair growth
  • Acne
  • Oily skin
  • Headaches
  • Gynecomastia
  • Libido enhancement

Although the side effects usually not serious, people may have different physical condition. If there is any severe sides effects, please go to the doctor promptly.

Where to Buy Mesterolone (Proviron) Powder?

To ensure you are getting a quality product, consider purchasing Proviron powder from a reputable online store, manufacturer, or directly from the factory. At AASraw, all of our production is performed in strict accordance with CGMP standards. Our rigorous manufacturing processes are designed to maintain the highest standards of purity, safety, and efficacy, ensuring that you receive only the most reliable products.

For those who are looking to maximize value, buying Proviron powder in bulk may be a strategic choice. Buying in bulk not only reduces unit costs, but also provides greater flexibility and convenience. By choosing to buy in bulk, you can enjoy more competitive pricing and avoid frequent reordering while maintaining a steady supply of high-quality Proviron powder.

FAQs

①How long does it take Proviron powder to work?

Most users notice a difference in their mood, energy levels, and libido within just a few days of taking this supplement. Some people have noticed an even greater improvement after several weeks or months of taking it regularly. You’ll need to take this supplement for at least two or three months before you really see the positive effects.

②How long does Proviron powder stay in your system?

Proviron powder stays in your system for just a few days. This makes it much different from other prescription drugs that can stay in your body for several months or more after you stop taking them.

③Is Proviron powder toxic to the liver?

Unlike many other oral steroids, Proviron powder does not come with the risk of liver toxicity. That’s because Proviron powder is not a 17 alpha-alkylated anabolic-androgenic steroid (17alpha-AAS) and it is only oral steroids in that category that come with a very high risk of hepatotoxicity and liver damage. But since you will almost certainly be using other steroids in your cycle, some of which might come with their own toxic effects on the liver, this is an issue that should always be considered when using any steroid.

④Does mesterolone powder have any effect on cardiovascular health?

Proviron powder can show some adverse side effects when it comes to the cardiovascular system. Several studies have shown that Proviron, administered at an average dose of about 100 mg per day, for 6 months or more without interruption, has quite severe side effects on the cholesterol values of such users. This occurs because the so-called “bad” (LDL, or low-density lipoprotein) cholesterol increases, while at the same time lowering the so-called “good”(HDL, or high-density lipoprotein) cholesterol. However, this effect can only be determined if large amounts of the drug are taken every day for a long period of time.

⑤Will Proviron powder suppress testosterone?

Mesterolone has a very weak inhibitory effect on gonadotropins and serum testosterone. Studies have shown that when administered at moderate doses (150 mg per day or less), no significant suppression of testosterone levels occurs. In studies using high doses of Mesterolone (300 mg per day and above), the drug strongly suppresses serum testosterone.

Mesterolone (Proviron) Powder Testing Report-HNMR

Proviron (Mesterolone) powder hnmr

What is HNMR and What does HNMR spectrum tell you? H Nuclear Magnetic Resonance (NMR) spectroscopy is an analytical chemistry technique used in quality control and research for determining the content and purity of a sample as well as its molecular structure. For example, NMR can quantitatively analyze mixtures containing known compounds. For unknown compounds, NMR can either be used to match against spectral libraries or to infer the basic structure directly. Once the basic structure is known, NMR can be used to determine molecular conformation in solution as well as study physical properties at the molecular level such as conformational exchange, phase changes, solubility, and diffusion.

Mesterolone Powder(1424-00-6)-COA

Mesterolone Powder(1424-00-6)-COA

Mesterolone Powder -janoshik test report

Noted: How to verify the test report from Janoshik?
① Go to Janoshik.com
② Click ‘Verify’
③ Enter task number and unique key which was showed on reports.
testing report

How to buy Mesterolone (Proviron) Powder from AASraw?

❶To contact us by our email inquiry system, or leave your WhatsApp number, our customer service representative(CSR) will contact you in 12 hours.

❷To provide us with your inquired quantity and address.

❸Our CSR will provide you with the quotation, payment term, tracking number, delivery ways, and estimated arrival date(ETA).

❹Payment is done and the goods will be sent out in 12 hours.

❺Goods received and give comments.

Author of this article:
Dr. Monique Hong graduated from UK Imperial College London Faculty of Medicine

Scientific Journal paper Author:
1.Ambreen Aziz
H.E. J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi 75270, Pakistan
2.Kay Marshall
University of Bradford, Bradford, UK
3.Robert Masse
Institut National de la Recherche Scientifique, INRS-Santé, Université du Québec, 245 Hymus Blvd, Pointe-Claire, Québec, Canada H9R 1G6
4.T.R. Varma
Department of Obstetrics & Gynaecology, St. George’s Hospital Medical School LondonU.K.
5.Michele Luisi
Endocrine Laboratory, Institute of Medical Pathology, University of Pisa, 56100 Pisa, Italy
In no way does this doctor/scientist endorse or advocate the purchase, sale, or use of this product for any reason. Aasraw has no affiliation or relationship, implied or otherwise, with this physician. The purpose of citing this doctor is to acknowledge and commend the exhaustive research and development work done by the scientists working on this substance.

Reference

[1].Dugeroglu H, Ozturk M, Atmaca M, Seven I. “Mesterolone treatment of aging male syndrome improves lower urinary tract symptoms.” J Pak Med Assoc. 2014 Dec;64(12):1366-9. PMID: 25842579

[2].“Mesterolone and idiopathic male infertility: a double-blind study. World Health Organization Task Force on the Diagnosis and Treatment of Infertility.” Int J Androl. 1989 Aug;12(4):254-64. PMID: 2680994

[3]. “Mesterolone: a new androgen.”Drug Ther Bull. 1972 Jul 21;10(15):58-9. PMID: 5073836

[4].Ho EN, Leung DK, Leung GN, Wan TS, Wong HN, Xu X, Yeung JH. “Metabolic studies of mesterolone in horses.” Anal Chim Acta. 2007 Jul 16;596(1):149-55. doi: 10.1016/j.aca.2007.05.052. Epub 2007 Jun 3.PMID: 17616252

[5].Allouh MZ, Aldirawi MH. “Influence of mesterolone on satellite cell distribution and fiber morphology within maturing chicken pectoralis muscle.” Anat Rec (Hoboken). 2012 May;295(5):792-9. doi: 10.1002/ar.22439. Epub 2012 Mar 15. PMID: 22419647.

[6].Häfliger O, Hauser GA.[Therapeutic trials of Proviron in frigidity]. Ther Umsch. 1973 Jul;30(7):533-6. PMID: 4578455

[7]. Luisi M, Franchi F. “Double-blind group comparative study of testosterone undecanoate and mesterolone in hypogonadal male patients.” J Endocrinol Invest. 1980 Jul-Sep;3(3):305-8. doi: 10.1007/BF03348281. PMID: 7000879


Get a Bulk quotation