Nandralone phenylpropionate shows a sharp increase in blood serum levels of the free form of nandralone within 24 to 48 hours from the time of injection. Because of this sharp increase and quick release of nandralone this product is sometimes preferred to the longer acting version. After athletes compete and they battle with joint pain they prefer this substance because the longer acting version will take to long to kick in.
100mg / ml x 10ml vial