Look and see if it reads nandrolone deconate or deca durabolin. The first is the chemical name the second is the brand name. It more than likely real. You are going to need more than this. Try stacking Primo.
Next time try to get Australian deca.
It has a hologram on the bottle. It is a little more pricey but takes the guess work out if you are not familiar. Organon is not the only company by far that makes it. I used nerandren 50 made by Brovel and had excellent gains. It is the veterinary version you seem to be talking about the human version.