It is esentially Deca-Durabolin - nandrolone decanoate - , and 50 mg. per ml. will be some large shots, but i ahve done the same stuff myself back in the day..LOL
So Need to get to the gym consistently and train your ass off to prove to yourself that you are dedicated and make sure to get your diet in check.
If you insisist on running it right away, you will find dosages typically run between 200- 600 mg per week for that compound, the lower dosages would be best for a newbie pf course.
Plenty of guys soon will tell ya ya gotta run test with it so be ready for that also.
Hope this helps.
Cheers!!