Quanta Pharma Sustanon 250

Quanta Pharma Sustanon 250 (Testosterone Blend 250 mg/mL)
Sustanon 250 is a multi-ester testosterone formulation composed of testosterone propionate, testosterone phenylpropionate, testosterone isocaproate, and testosterone decanoate. It is studied in research contexts for its combined ester release profile and its effects on androgen receptor signalling and endocrine system regulation over both short- and extended-duration phases.

This formulation is supplied as a sterile injectable solution at 250 mg/mL in a 10 mL multi-dose vial.

Composition per mL:

• Testosterone Propionate – 30 mg

• Testosterone Phenylpropionate – 60 mg

• Testosterone Isocaproate – 60 mg

• Testosterone Decanoate – 100 mg

Brand: Quanta Pharmaceuticals
Concentration: 250 mg/mL
Administration: Injectable
Common applications: Research into androgen receptor activity, hormone kinetics, and testosterone-related endocrine and metabolic signalling pathways
Half-life: Approximately 5.5 days
Chemical structure: C₂₆H₄₀O₃ (testosterone base)

Research focus includes:

• Multi-ester hormone release — studied for staggered pharmacokinetic profiles

• Androgen receptor signalling — examined across varying serum testosterone levels

• Endocrine feedback regulation — investigated in testosterone axis response models

• Protein synthesis pathways — studied in anabolic signalling research contexts

• Sustained androgen exposure — evaluated for combined short- and long-acting ester behaviour