sounds a little dodgy man, prob a local UGL, especial considering you scored them for free, ive never known someone to give away free good gear
if ya dont get any replies, the only way youll know is if you swallow 1-2 tabs a day for a few days and watch your body weight on the scales
anadrol tends to put on a boatload of water weight fast, so if its real ull gain alot of weight and water very fast in a few days