I am wondering if i can run my 10ml vial of sust250 for 6 weeks at 500mgs per week than switch to test e 300 and run that for the remaining 5-6 weeks at 500mgs per week? Reason being i only have a vial of each and my source has dryed up. I am currently bugging him about getting another vial of test e so i dont have to use this sust. But if it comes down to it is it ok to do this?