Sustanon400 is an oil based solution of four testosterone esters including those of short, intermediate, and long half-life. Serum testosterone will rapidly increase within 24 hours of intramuscular administration and remain elevated for 7-10 days.
The 10ml vial contains :
– 100 mg of Testosterone Phenylpropionate
– 100 mg of Testosterone Cypionate
– 100 mg of Testosterone Decanoate
– 100 mg of Testosterone Isohexanoate
Sustanon 400 dosed at 400mg / ml is ideal for a voluminous mass gain or lean mass gain, but you need to remember that with a mix such as Sustanon 400 the gains will be sustainable and of quality.