When you go to buy testosterone supplements so you can use safe steroids, you will likely find that there are several forms of testosterone available to you. The one you choose doesn’t make much difference as long as you use it at the right weekly dose, which is roughly 500mg. Some forms have shorter half-lives than others, which means you will need to use them more frequently to maintain a stable blood level. The chart below shows the half-lives and dosage schedules of five different forms of testosterone based on 500mg per week doses. When learning how to use steroids safely, getting enough testosterone at the right times is crucial.