Primobolan Depot

What is Primobolan (Methenolone Enanthate) by SYN Pharma?

Primobolan, also known as **Methenolone Enanthate**, is a long-acting injectable anabolic steroid known for its clean, dry gains and very low androgenic activity. SYN Pharma’s Primobolan is formulated to pharmaceutical-grade purity, offering a mild yet highly effective compound ideal for cutting cycles, lean bulking, or first-time research protocols where minimal side effects are desired.

Originally developed for medical conditions involving muscle wasting and malnutrition, Primobolan has become a favorite among physique athletes due to its ability to preserve muscle mass during caloric deficits, enhance muscle definition, and promote a hardened, vascular look.

Primobolan Benefits

Primobolan is unique among injectable steroids for its favorable side-effect profile and versatility. Benefits may include:

• Lean, dry muscle gains: no water retention or bloating;
• Muscle preservation during cutting: ideal for contest prep or fat loss phases;
• Improved muscle density and definition: promotes a hard, aesthetic physique;
• Low estrogenic activity: does not aromatize to estrogen, reducing gynecomastia risk;
• Mild on natural testosterone: less suppressive than other injectable AAS.

Potential Side Effects

Primobolan is well-tolerated in most research subjects, but possible side effects include:

• Mild testosterone suppression (especially at high doses);
• Androgenic effects such as acne or hair thinning (rare);
• Cholesterol changes with long-term use;
• Injection site discomfort in sensitive users.

Estrogenic side effects (e.g., water retention, gynecomastia) are not a concern due to its non-aromatizing nature.

Contraindications

Do not use Primobolan in research subjects with the following conditions:

• Prostate or breast cancer (male);
• Severe liver or kidney impairment;
• Untreated low testosterone (without TRT support);
• Pregnancy or breastfeeding (in female models).

Primobolan Dosage and Administration

Typical dosing for Methenolone Enanthate ranges between **300–600 mg per week**, administered via intramuscular injection. Due to its long ester, it is usually injected once or twice weekly. Cycle length ranges from **8 to 12 weeks** for optimal results.

Primobolan stacks well with testosterone, Masteron, or mild SARMs for synergistic effects. It is often used by those seeking cosmetic enhancement without significant side effects.

8–12 Week Lean Cycle Protocol

Primobolan Cutting / Recomp Stack

Common Questions About Primobolan

Is Primobolan good for bulking?

Primobolan is best suited for **lean bulking or cutting**, not mass-heavy bulking. Gains are high quality and sustainable, but slower compared to stronger anabolic compounds like Nandrolone or Dianabol.

Do I need an AI (Aromatase Inhibitor) with Primo?

Primobolan does not aromatize, so an AI is not required unless stacking with aromatizing compounds (e.g., testosterone above 300 mg/week). Always monitor estrogen through bloodwork.

Can women use Primobolan?

In low doses, Primobolan is sometimes used in female competitive circles. However, risk of virilization still exists and use should be approached cautiously. Not recommended outside supervised research settings.

Is Primobolan legal?

Primobolan (Methenolone Enanthate) is a controlled substance in many countries. SYN