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.
If you're going to use any injectable gear, then of course you're going to need some "darts." You can pick up syringes at your local pharmacy unless your state has certain restrictions. Also, you can purchase needles online. Just do a little searching around and you'll find several places that'll hook you up. Syringes will run you around 50 cents apiece. Note that it'll be more difficult to obtain needles (at least from the larger, more "legit" companies) if you live in California and Illinois. You'll usually need a doctor's prescription in those states. Still, if you look around enough, you can get what you need.
Trenbolone Acetate Tren Acetate behaves like many other anabolic steroids. It enhances your body’s ability to synthesize protein and it helps your muscle tissue retain more nitrogen. When your body is able to create proteins more quickly, and when the building blocks for those proteins (namely nitrogen) are available in abundance, you can experience muscle growth on an epic scale. Aside from this, Trenbolone Acetate will also work to promote insulin-like growth factor, which is responsible for repairing and rejuvenating tissues throughout your body. It also increases red blood count significantly; with more red blood cells, you can better oxygenate your muscles and provide them a prime environment for growth.