Intramuscular testosterone undecanoate is available in the United States , Canada , Europe , and elsewhere in the world.    It is approved in over 100 countries worldwide.   Oral testosterone undecanoate is available in Canada, Europe, Mexico, Asia, and elsewhere but not in the United States.   Intramuscular testosterone undecanoate is marketed most commonly as Nebido in Canada and Europe and as Aveed in the United States while oral testosterone undecanoate is marketed most commonly as Andriol.   
Oral steroids cycle is no different from taking these drugs in injectable form. It is important to pay special attention to how to take them. Oral anabolics are used in the same dosage, and injectable form, but they are worth sharing on multiple techniques, as they adversely affect the liver. Typically, oral steroids for sale used 2-3 times a day before or after a meal. It anabolics in pills form is very difficult to detect during inspection at the competition, and therefore resorted to them not only for inexperienced beginners but also athletes who are already professionally engaged in bodybuilding, heavy or athletics.
The partition coefficient of the ester in question is important because is effects how long the drug itself stays in the system. If the testosterone transfers too quickly from the oil to the blood, the result is a sudden spike in testosterone which then rapidly drops once the dose has been used up. In the example of free testosterone injected into the muscle from a water suspension (as in Aquiviron, mentioned above), the testosterone is essentially immediately available to the bloodstream due to its low partition coefficient, and thus there is an immediate spike of testosterone which is used up quickly in the body.