Strength increase and muscle growth takes 90-180 days. Effects of T supplementation on bone density and the prevention of heart disease take more than a year. For some men replacement of testoterone usually require two patches a day to get the beneficial effects. Side effects of injectable testosterone include acne, impotence, sterility, psychological disturbances, thickening of the blood due to increases in hematocrit and hemoglobin with significant changes in fat levels or lipids, breast enlargement, weight gain, bloating, liver cysts, hepatitis, mood swings, aggression and infections at the injection sites. Most side effects decrease after lowering the dose.
Some side effects are permanent and irreversible.
The 37 year old was afraid of taking injections of Testosterone every week and wanted an alternative. Some reported effects among male users include occasional acne, decrease in testicular size, increase in penis size, increase in energy and increase in sex drive and morning erections. Only 10 mg are needed for normal functioning and that much is absorbed in men who have not complained of rash or skin irritation. Injections should be given in a physician's office and all injections must be given slowly to prevent oily lumps and scar tissue from forming in the muscles of the butt and thigh. Sometimes more than 2 cc's of fluid are used.