Test C 300mg/ml

Testosterone Cypionate (Test C) – 300mg/ml | Blackline Labz

Testosterone Cypionate (Test C) is a long-acting testosterone ester designed for steady, sustained release, making it a trusted option for both performance enhancement and hormone therapy. The 300mg/ml concentration from Blackline Labz offers a stronger dose per ml, giving users flexibility in dosing with fewer injections.

Concentration: 300mg/ml

Type: Injectable Oil (long-acting)

Packaging: 10ml sterile vial

Category: Oils / Injectables

Key Features:
✔ Higher concentration for efficient dosing
✔ Long half-life (8–10 days) allows weekly or bi-weekly administration
✔ Supports lean muscle growth, strength, and endurance
✔ High-grade carrier oils for smooth injections and reduced irritation