Mastolab-200 by 7Lab Pharma – Long-Acting Drostanolone Enanthate for Lean Muscle and Definition

Brand: 7Lab Pharma, Switzerland

Substance: Drostanolone Enanthate

Action of the Drug

Mastolab-200 is a long-acting anabolic steroid that promotes lean muscle growth, hardness, and improved vascularity. Its slower release ensures stable blood levels, supporting muscle preservation and fat reduction over extended cycles.

Use in Sports

Used in bodybuilding, physique competitions, and strength sports to achieve dense, defined muscles during cutting and recomposition phases.

Period of Drug Withdrawal

Drostanolone Enanthate clears the system within 2-3 weeks after the last injection, enabling proper post-cycle planning.

Rate of Suppression of Natural Testosterone Production

Mastolab-200 moderately suppresses natural testosterone production; a full PCT is recommended after cycle completion.

What Should Be Used During and After Use

During use:

• Aromatase inhibitors if stacked with aromatizable testosterone
• Regular blood work to monitor hormone levels

After use:

• Clomid or Nolvadex for PCT
• Natural testosterone boosters (DAA, Zinc)

Combinations with Other Anabolic and Androgenic Drugs

Mastolab-200 stacks effectively with:

• Testosterone Enanthate or Propionate for cutting or mild bulking
• Trenbolone or Winstrol for enhanced definition
• Primobolan for lean muscle preservation

Possible Side Effects and How to Avoid Them

• Androgenic effects (acne, hair loss, aggression) – dose-dependent
• Minimal estrogenic effects – rarely requires AIs
• Injection site irritation – rotate injection sites
• Testosterone suppression – follow with proper PCT

Why We Recommend It

Our team recommends Mastolab-200 for athletes seeking stable, hard, lean gains with minimal water retention. Its long-acting profile is ideal for extended cutting cycles and achieving defined muscle appearance.

Comparison with Other Drugs

Compared to Drostanolone Propionate, Enanthate provides longer-lasting effects with fewer injections, allowing smoother blood level maintenance and easier cycle management.

Main Properties

• Drying – Fat Loss: Preserves lean mass and enhances muscle definition
• Growth of Mass-Strength: Supports lean, hard muscle growth with strength improvements

Mastolab-200 is a trusted option for athletes focused on definition, lean mass preservation, and consistent cutting cycle results.