Nandrolone Phenylpropionate (NPP) is the lesser known and less popular phenylpropionate ester version of nandrolone . NPP will be quicker to build up to peak levels in the body , this will cause a much longer recovery for those of you who cycle. Today in the medical Community this compound is used to help HIV/AIDS patients to prevent muscle wasting , however it would be more practical to use the longer ester in this case . It’s excellent as immune system support.

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