Testosterone Mix Compound BP
A blended-ester testosterone formulation combining propionate, phenylpropionate, isocaproate, and decanoate esters.
Sustaron combines four testosterone esters — Propionate (30 mg), Phenylpropionate (60 mg), Isocaproate (60 mg), and Decanoate (100 mg) BP, totalling 250 mg/mL — in a single sterile oil-based injection.
Blending esters of differing chain length is a well-established formulation strategy for testosterone replacement therapy, producing an initial rise from the shorter esters followed by sustained release from the longer-chain components.
Each component ester is individually assayed against its BP monograph as part of batch release testing.
Store protected from light, below 25°C, in the original sterile/uncoated packaging. Keep out of reach of children. Dispense only against the prescription of a Registered Medical Practitioner.
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Injectable Formulations
Testosterone enanthate — a long-acting ester and one of the most widely prescribed testosterone replacement therapies.
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Injectable Formulations
Testosterone cypionate — a long-acting ester widely used in standard testosterone replacement therapy protocols.
Injectable Formulations
Testosterone propionate USP — the shortest-acting commonly used testosterone ester, in a sterile oil base.
