What Sustanon 250 is and what it is used for: Sustanon 250 ist eine klare, blassgelbe Injektionslösung, die den Wirkstoff Testosteron enthält 4 (250 mg/ml) separate Formen. The active substances of Sustanon 250 (see section 6 “What Sustanon 250 contains”) are turned into testosterone by your body. Testosterone is a natural male hormone known as an …