I look at Sust, for what it is... a LOOOONG acting ester.
Testosterone propionate 30 mg
Testosterone phenylpropionate 60mg
Testosterone isocaporate 60 mg
Testosterone decanoate 100 mg
It is really a synergetic steroid... giving better results than probably all the others (cyp, prop, and enth)... Because of the prop... it will get into the system fast, within a day... and because of the deconate, it will remain active for 3-4 weeks.
With THIS combination of esters... it is LONG acting... you cannot base your shot on JUST the propionate... sorry. You can take 500mg in one shot a week... you could even strech it to 10 days, if you wanted. I'd stick to one injection, per 7 days. You COULD take these shots mixed up 3-4 days apart... I don't think it will make much of a difference, however... espeically if you mix it with an oral...
C-ditty