Description
What is Sustanon 400 (Testosterone Propionate 48mg + Testosterone Phenylpropionate 96mg + Testosterone Isocaproate 96mg + Testosterone Decanoate 160mg)?
Sustanon 400 is a high-concentration quad-ester testosterone preparation at 400mg/mL — a 60% increase over the original Sustanon 250 formula. Maintains the same four-ester ratio (propionate/phenylpropionate/isocaproate/decanoate) in proportional scaling. Provides equivalent multi-phase release kinetics at higher concentration, enabling higher testosterone delivery per injection volume. Research use only.






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