I have some sust 250 from a well known source highly rated here on Promuscle.com. I am sure the gear is good, it has however given me very large and painful lumps with every use. Not an infection, I guess my body is just not responding well to either the oil used, the ester or to the BA quantity. I did bake it at 160 for about one hour and this seemed to help but only a very little. I also have some pharmaceutical grade sust 250, different manufacturer. I was wondering if I could mix the two into one sterile vial with either a 50/50 or 60/40 mix in an effort to cut the first one down to make it more useable by my body? Or could I even use Cyp 200 for the same type of mix? Anyone have any advice on this? Would this be the same as cutting it down with say sterile grapeseed oil or is mixing the two products from two different mfg’s not advisable? Thanks in advance for any advice.