@GreenSkyOverMe I do mine intramuscularly into the vastus lateralis muscle in my thigh, rotating the leg each week.
In terms of packaging, it's homebrew vials. All you have to do it carefully remove just the top of the metal lid covering the rubber stopper when you start a new vial. Other than that, there's nought much to it.
The only other thing to be mindful of is not pushing through the same stopper hole each time, as that risks coring the vial.
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