The best course of action may be to utilize enough non-hormone steroids, and during the last phase of the cycle, using fast acting substances like testosterone propionate or trenbolone. Oral dianabol may also be effective as it can clear away quickly from the body. Also, during the whole cycle, efforts should be made to keep the levels of estrogen down. This can be done with the help of compounds like formestane and arimidex . Taking non-aromatizable steroids like winstrol and trenbolone is also a good way to keep estrogen levels under control.
Testosterone can be administered parenterally , but it has more irregular prolonged absorption time and greater activity in muscle in enanthate , undecanoate , or cypionate ester form. These derivatives are hydrolyzed to release free testosterone at the site of injection; absorption rate (and thus injection schedule) varies among different esters, but medical injections are normally done anywhere between semi-weekly to once every 12 weeks. A more frequent schedule may be desirable in order to maintain a more constant level of hormone in the system.  Injectable steroids are typically administered into the muscle, not into the vein, to avoid sudden changes in the amount of the drug in the bloodstream. In addition, because estered testosterone is dissolved in oil, intravenous injection has the potential to cause a dangerous embolism (clot) in the bloodstream.
You will need a vial or beaker that will hold 40ml of water for every gram of powder you are using. Fill the container with enough water to make the quantity of powder you are working with, so for 2 grams of powder you need 80ml of water, mark container. Now for each gram remove of water, ., mls. Now you have 2 marks, one at 80ml and one at . Remove water from vial and let dry completely. Add 2 grams of powder and add water to the lower mark and top up with benzyl alcohol. Seal and shake well. The powder will sink to the bottom so you will need to shake it well before each use. Use 2ml injections daily. Forget for a second that the utilization of anabolic steroids is against the law. Not remember that the use of steroids brings with it a host of side effects that should make any sane person think two times. Moral and ethical dilemmas to the side there is one cause, the average skinny guy shouldn't supplement with steroids. Quite simply, because you don't have to! Barring any genetic disorder, any healthy human being is capable of gaining lean muscle mass without pumping their body full of growth hormones and testosterone. The making of steroids is not very difficult at household level, you just need to be very careful with the sterilization. However, it is always suggested to avoid the use of these steroids just to be on safe side in a long run.