Injectable steroids are injected into muscle tissue, not into the veins. They are slowly released from the muscles into the rest of the body, and may be detectable for months after last use. Injectable steroids can be oil-based or water-based. Injectable anabolic steroids which are oil-based have longer half-life than water-based steroids. Both steroid types have much longer half-lives than oral anabolic steroids. And this is proving to be a drawback for injectables as they have high probability of being detected in drug screening since their clearance times tend to be longer than orals. Athletes resolve this problem by using injectable testosterone early in the cycle then switch to orals when approaching the end of the cycle and drug testing is imminent.
Dave, let me clear the air here on some of the confusion… I recommend the 1 vial cycle for someone who is either A. younger or either B. already has high levels of natural testosterone. Now, the typical middle aged male who already had declining levels of natural testosterone COULD go with 500 mg/wk for 10 wks. Recovery is recovery at that point and if you’re going to do it then I see nothing wrong with getting the most out of that first cycle. But what you have to realize is a male with a starting level of high average test levels can still yield the same benefits of someone who is middle range-low end of normal and uses 500mg/wk of test. In either case the person can still gain a solid 20 lbs of muscle from either 1 or 2 vials, the determining factor on this is what they were at to begin with