Nandrolone Decanoate is a steroid compound that is described chemically as 17(3- hydroxyestr-4-en-3-one decanoate. It occurs as a white to creamy-white fine crystalline powder, odourless or may have a slight odour. Practical insoluble in water, soluble in alcohol, in acetone, in chloroform and in vegetable. Nandrolone Phenylpropionate is a steroid compound that is described chemically as 17(3- hydroxyestr-4-en-3-one 3- phenylpropionate. It occurs as a white to creamy-white crystalline powder with characteristic odour. Practical insoluble in water, soluble in alcohol. Deca 300 is combined acting Nandrolone mix which is an oil based solution of 3 Nandrolone esters: Decanoate USP29, Ph.Eur.5.5, Cypionate and Phenylpropionate USP29, BP2005 which is designed for combination of slow and fast acting Nandrolone in reasonable concentration. DECA 300® is available as a sterile solution of Nandrolone Mix, a suitable-action anabolic agent, for only intramuscular injection.