The legendary Deca-Durabolin , or just Deca as it’s known, is a steroid that hardly needs an introduction. Deca is a slow-acting ester that requires a longer cycle. It can take until week five or even six before you start feeling the effects of Deca-Durabolin , so this is a steroid that you need a longer-term outlook on when using. Deca Durabolin is used for the treatment of osteoporosis in postmenopausal women to manage bones from weakening. This medicine acts by strengthening weak and brittle bones. This injection will be given to you in the hospital or clinic by a doctor or nurse. You should avoid self-injecting. How DECA DURABOLIN 100MG INJECTION Works DECA DURABOLIN 100MG INJECTION contains a medicine called, Nandrolone which is an anabolic steroid that promotes muscle growth and improves overall health by enhancing protein synthesis, which aids in muscle repair and growth. It also helps retain nitrogen in the body, maintaining a positive nitrogen balance, crucial for muscle building and preventing muscle breakdown. Additionally, Nandrolone stimulates red blood cell production, improving oxygen ... Learn about the anabolic steroid Deca- Durabolin (nandrolone), including its benefits, usage, risks, side effects, and safer available options.