sterile

I have been injecting daily (propionate) for some time now using 31 gauge .3cc 5/16 insulin syringes. I want to start preparing a week's worth of prefilled insulin syringes at one time for sake of convenience. My main concern is how to keep the process sterile. I am assuming that backfilling...

I live in Europe and I can only get glass ampoules of 250 mg test-e or sustanon in the pharmacy. I don’t like the idea of preloading syringes for multiple days because of the benzene alcohol eating at the rubber plunger or the medication absorbing EDC’s in the plastic. To split my dose I’d...