7Lab Pharm

Proviron-Lab

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Manufacturer:7Lab Pharma, Switzerland
Substance:Mesterolone
Package qty.:50 tabs / (25 mg/tab)

SKU: P4302

Proviron-Lab by 7Lab Pharma – Oral Mesterolone for Enhanced Androgenic Support

Brand: 7Lab Pharma, Switzerland

Substance: Mesterolone

Action of the Drug

Proviron-Lab is an oral androgenic compound that supports free testosterone levels, enhances libido, and improves muscle hardness. It is mild, does not aromatize, and helps maintain anabolic effects during cycles.

Use in Sports

Commonly used in bodybuilding and fitness for cutting, recomposition, and strength preservation. Ideal for athletes aiming to increase muscle density without water retention.

Period of Drug Withdrawal

Mesterolone clears the system within 24-48 hours, allowing flexible cycle management and immediate adjustment if needed.

Rate of Suppression of Natural Testosterone Production

Proviron-Lab has minimal suppression of natural testosterone and is often used during cycles to support endogenous production.

What Should Be Used During and After Use

During use:

  • Regular blood work to monitor hormone levels
  • Supportive liver supplements if combined with other orals

After use:

  • PCT is usually mild or not required when used alone
  • Natural testosterone boosters (DAA, Zinc) to maintain hormonal balance

Combinations with Other Anabolic and Androgenic Drugs

Proviron-Lab stacks effectively with:

  • Testosterone Propionate or Enanthate for enhanced free testosterone
  • Trenbolone or Masteron for cutting cycles
  • Anavar or Winstrol to improve hardness and definition

Possible Side Effects and How to Avoid Them

  • Androgenic effects (acne, hair loss) – dose-dependent
  • Minimal estrogenic effects – generally does not aromatize
  • Liver strain if combined with multiple orals – use supportive supplements

Why We Recommend It

Proviron-Lab is recommended by our team for athletes seeking harder, denser muscles and improved androgenic support. It's perfect for cutting and definition phases, providing subtle but effective results without major hormonal disruption.

Comparison with Other Drugs

Compared to other androgens, Mesterolone does not aromatize and has minimal suppression, making it ideal as a supportive drug during cycles rather than as a primary mass-builder.

Main Properties

  • Drying – Fat Loss: Enhances muscle hardness and definition, supports lean appearance
  • Growth of Mass-Strength: Minimal direct mass gain, mainly improves muscle density and androgenic environment

Proviron-Lab is a safe and effective androgenic support for athletes looking to optimize results during cutting or recomposition cycles.

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