Andropen 275 contains Test-Decanoate 90mg/ml, Test-Isocaproate 60mg/ml, Test-Phenylpropionate 45mg/ml & Test-Propionate 45mg/ml, Test-Acetate 20mg/ml. The first, testosterone propionate, is short-acting and gives Andropen 275 a quick onset of action in a steroid cycle. The other esters are medium to long-acting, very similar to Sustanon. Testosterone is responsible for promoting health and well-being through enhanced libido, energy, immunity, increased fat loss, gaining and maintaining lean muscle mass, preventing Osteoporosis (loss of bone density) and possible protection against heart disease Andropen 275 has a release time of between 1-12 days. It is typically injected twice every week, though some users opt for a higher injection frequency of three times per week. Average dosages are 250mg-1000+mg per week.