T-400 is basically an improved version of the popular anabolic steroid SUSTANON-250. SUSTANON-250 is a blend of four different testosterone esters, which have in case of good timing synergistic effect. This effect in T-400 has enhanced testosterone enanthate, which is precisely ester missing in Sustanon. The desired ability of a quick entry into the circulatory system is enriched with an even longer period of effectiveness. Another advantage is the number of active ingredients in 1 ml solution, which especially advanced users will welcome, or all those annoyed by frequent application of testosterone injections. The substance T-400 should be used once a week, this dosage is sufficient enough. It is recommended to be taken with substances METAXON-10, OXYNDROL, DECANOL-200, or TURINOX, especially in the volume period.