"Anabolic steroids are made for use in small quantities. If you go for higher dosages, many of the positive characteristics no longer apply. In that case old-fashioned testosterone turns out to be more effective - and maybe also less risky."
I personnally do not agree with the less risky (see the prostate graph...)
Maybe stacking change things (Test + Tren VS High Test), maybe the lack of estrogen change things, but it seems that, on rats, high dose test > high dose tren or high dose nandrolone in terms of anabolic potency. Tren seems safer on the prostate...
By the way, I think that the goal is not to know that high dose testosterone is maybe ideal in term of anabolic potency, but the goal is to know how to mimic this anabolic potency with less side effects (especially on prostate) using various AAS.
Obviously, if it did not work very well we would not be seeing so many peole run 1, 2, or 3 grams of test weekly. Is test alone the "best" way to build mass? I don't think so. Gains can certainly be increased by adding other drugs to one's testosterone cycle, even if the test dosage is already very high. In terms of muscle srength, test only is not even close to the best way to go.
I tried 1500mg for about 6 weeks with some other things, noticed more side effects than gains in my case. I prefer to stack. I too have heard the legends of "crazy gains over a gram" and it just didn't pan out for me the same as other things, i.e. tren or anadrol.
Also, a local guy who was active on the boards for years and who I knew "IRL" had a heart attack and died at 34. So make sure to get yourself checked often and don't think you'll live forever experimenting without watching your health.
In my last cycle I ramped from 1,000mg/wk to 1,750mg/wk over a 10 week period. I stacked with NPP. Results were good but over 1,250mg didn't seem do much except increase sides. For me, I get better results when stacking moderate dose of test, with a moderate dose of tren, and an oral like var or tbol (depending on goals).