The vast majority of steroids on the market today require injection in order to be effective. Some are daily injections, but others are every other day or even three times per week. Many people don’t really mind the injections, but there are plenty of people who have an aversion to needles and who would rather take their performance enhancers orally. With a Tbol only cycle, there are no injections necessary. Just keep in mind that a Tbol only cycle can be hard on your liver if you use it at high doses or for long periods of time, so use it per recommendations and consider taking milk thistle along with it.