Nandrolone Undecanoate with a code name NU is a very unique nandrolone ester, it is very similar to Deca Durabolin but is a little more androgenic. Also known as Dynabolon it does produce dramatic increases in size and strength. Dynabolon (Nandrolone Undecanoate) was produced only in Italy and France and has a reputation of being more potent than the other nandrolones. Each Dynabolon ampule contains 80.5mg of nandrolone undecanoate in 1ml . Dynabolon has a shorter life in the body than Deca-Durabolin. Athlete's generally opt to inject this product twice weekly to keep blood levels more even. Average dosages of Dynabolon are in the area of 2-4 cc's a week.