Tapering is worthless.
It is based on a false assumption, that somehow the taper lets your body start to naturally start producing Test again. It won't.
If you use the roid calculator, the level of Test in your system must get below like about 100 or so before your body STARTS the processes to produce Test natuirally.
Anything above that, whether its 200, 500, or 1000, will have the same effect - your body sees a boatload of Test around and therefore the natural processes are shut down.
There may be one benefit to not allowing for a very quick downfall of the artifically high Test levels.
From seeing what happens to me, and some others, I am starting to think that on e of the things which cause acne poroblems, is not as much the LEVEL of Test, but more so the rapoid CHANGE in Test levels. Whether going up or down, fast shifts in hormone levels can throw your body off in some cases. So there MAY be a benefit here.
But, the assumption that a longer-slower taper somehow lets your body start producing Test more easily is not really based on anything factual.
At least as far as I know.