I'm trying to decide which to get. never tried any of them. mostly aas on and off for about 5 to 6 yrs and been training for about 9 to 10 yrs. i'm now 30 yrs old and about 5'10 210lbs and bodyfat is around 8% or 9%. at one point i weighed 230 23% bodyfat which was pretty fat. my arms now are about 17 to 17 1/2 inches. been that way for a while. i'm trying to get past this limitation. which would help more?