Nebido (Testosterone Undecanoate) Bayer 4ml / 250mg/ml is a long-acting injectable testosterone formulation containing testosterone undecanoate as the active compound. Each vial contains 4ml of solution at a fixed concentration of 250mg/ml, designed for controlled and standardized administration.
Testosterone undecanoate is a long-ester testosterone formulation administered via intramuscular injection, designed for slow release and extended activity due to its ester structure.
Produced by Bayer under strict pharmaceutical manufacturing standards, the formulation is designed to ensure batch consistency, accurate concentration, and reliable structural stability. Rigorous quality-control procedures are applied throughout production to maintain uniformity and pharmaceutical-grade reliability.
The sealed vial format preserves product integrity during storage and handling, supporting sterility and long-term stability. Available from Steroideu.shop, this product is supplied for those seeking a pharmaceutical-grade testosterone undecanoate formulation with consistent manufacturing quality.
Specifications:
- Brand: Bayer
- Compound: Testosterone Undecanoate
- Form: Injectable Solution (Vial)
- Strength: 250mg/ml
- Volume: 4ml
- Packaging: Sealed Pharmaceutical Vial

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