Rapiture Muscle Builder Sustanon is a very popular steroid which is highly appreciated by its users since it offers several advantages when compared to other testosterone compounds. Sustanon is a mixture of four different testosterones which, based on the well-timed composition, have a synergetic effect. These substances are: Testosterone propionate 30 mg, Testosterone phenylpropionate 60mg, Testosterone isocaporate 60 mg, Testosterone decanoate 100 mg.

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