Mesterolone(Proviron) Chinese AAS Raw Materials Return To The Market

Raw Mesterolone (Proviron)

**Pure Steroid Powder Mesterolone Raw Source Proviron Powder For Bodybuilding Supplement**

CAS: 1424-00-6

EINECS Number: 215-836-3

Molecular Formula: C20H32O2

Molecular Weight: 304.47

Melting Point: 208℃

Appearance: White powder

**Usage:**

Mesterolone (Proviron) is an oral anabolic steroid (AAS) powder primarily used for the medical treatment of low testosterone, erectile dysfunction, and infertility. It is particularly popular in the fitness and bodybuilding fields, especially among athletes who use it during their cycles to increase free testosterone levels, reduce estrogen side effects, and increase muscle hardness. This powder is highly pure (≥99%) and is used directly in tablet processing, providing stable effects. Side effects such as hair loss or prostate problems require monitoring. Many competitive bodybuilders add it to their stacks as an adjuvant to optimize overall performance.

**Mesterolone Steroid Powder:**

1. Proviron is a derivative of dihydrotestosterone (DHT), an oral androgen with low anabolic metabolism but high androgenic properties. The oral form is the only option, offering rapid onset of action and eliminating the need for injections, despite its moderate cost. It does not convert to estrogen, making it ideal for sensitive athletes, avoiding issues like gynecomastia or water retention, while also binding SHBG to release more free hormones.

2. Women find Proviron very mild and comfortable as an anabolic agonist. When combined with other forms, a low dose is preferred to control blood hormone levels; as an oral medication, blood concentrations are easy to manage, and if side effects occur, users can observe a decrease in hormone levels within a few days.

**Mesterolone Steroid Powder Applications:**

1. Protein assimilation: Moderate hepatic protein hormone assimilation activity and low toxicity. Mesterolone is a basal androgen steroid, a derivative of dihydrotestosterone, and is often marketed under the brand name Proviron.

2. Mesterolone is used for people who are very sensitive to the side effects of estrogen. It has zero estrogen conversion properties. Mesterolone is available orally and has no estrogen side effects. It has a mild effect on cholesterol. Mesterolone has low inhibition of the HPTA axis (hypothalamic-pituitary-gonadal axis). Therefore, many bodybuilders use Mesterolone during their week to increase free testosterone and minimize side effects.

**Recovery of China's AAS Raw Material Market and Exclusive Supply from Ounice Company**

In recent years, China's AAS raw material market has experienced a strong recovery. Driven by a stable global supply chain, optimized regulations, and a surge in demand for health and wellness products, the market size is projected to achieve a CAGR of over 15% in 2025-2026, rebounding from the pandemic trough. Domestic production is proceeding in tandem with imports, national policies are promoting the self-sufficiency of high-end raw materials, and the Belt and Road Initiative is deepening international cooperation to ensure uninterrupted supply. Demand for popular raw materials such as Mesterolone is surging, and the market is shifting towards high-quality, green synthesis.

As a leading supplier, **Ounice** exclusively provides Mesterolone raw material powder, manufactured to GMP standards with third-party certified purity. We support bulk customization (flexible minimum order quantity) and offer competitive pricing. Ounice is committed to rebuilding the AAS (Advanced Individuals' Health) ecosystem in China and welcomes collaborations from pharmaceutical, fitness, and research institutions! (Contact: ounicerawsource.com)

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