Nandrolone phenylpropionate powder or NPP powder has the shorter ester while nandrolone decanoate powder version has the longer deca ester. The only disadvantage would be the amount of injections, the shorter ester would have to be injected every other day or every 3 days at the most, while the long ‘deca’ ester can be injected once or twice a week. That’s the only reason NPP is not popular as Deca version of Nandrolone.
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