Ok here in my question I have taken steroids before but have never heard of npp no sure what it is have been doing some research on it past few days and haven't found what I wanted I know a guy that is using it and offered it to me he told me to use it solo with no test no nothing just npp I have read the side effects and just curious if it would be ok to take it solo would really hate to get one of the side effects (bitch tits) lol