Nandrolone Decanoate 200 mg/ml

Nandrolone Decanoate is a long-acting injectable anabolic steroid. It is produced in a concentration of 200 mg/ml. Thanks to its long half-life, it provides steady effects and is one of the most popular steroids for mass gaining cycles.
Main effects:

Significant muscle mass growth.
Improved joint health and increased collagen synthesis.
Increased strength and endurance.
Good recovery after training.

Usage and dosages:

Beginners: 200–300 mg per week (1.0–1.5 ml).
Experienced users: 300–600 mg per week (1.5–3.0 ml).
Course duration: 10–14 weeks.
Injections: 1–2 times per week.

It is often combined with Testosterone. After the cycle, Post-Cycle Therapy (PCT) is mandatory.
Advantages:

Excellent mass gains with relatively low water retention.
Positive effect on joints and ligaments.
Long duration of action.

Disadvantages:

Strong suppression of natural testosterone production.
Risk of progestogenic side effects (libido issues, gynecomastia).
"Deca-dick" effect possible without sufficient testosterone on cycle.