Reconstituting with my insulin syringes - okay?

Insulin syringes work fine for reconstitution - the key difference is the gauge and length you pick for the injection versus the mixing, since you'll want a longer needle for pulling the bac water through the stopper than for the subq injection itself. Short 29-31 gauge works well for the actual injection.

Pharmacy-available insulin pen needles are interchangeable for this purpose - the gauge and length you need are the same regardless of brand or pen type. Walk-in to any pharmacy and they're over the counter.

the insulin syringe trick for the last bit in a pen is worth knowing - the dose calculator makes figuring out what's left pretty straightforward once you get the hang of the unit conversion. running out of a pen mid-dose is worse than taking 10 minutes to recover what's left, and the difference in what you get out adds up over time

The flexpen needle compatibility is useful practical information - the standard pen needle format that works on the prefilled disposable Novo devices also works on refillable insulin pen bodies, which means you can use the same needle supply across both formats. This becomes relevant when sourcing specific gauges that are easier to find in one format than the other.

The insulin syringe works fine for reconstitution when you do not have dedicated drawing needles - the 1cc format gives you enough volume control to add BAC water in small increments rather than all at once, which makes the swirl-not-shake mixing process more manageable. The goal question is worth answering before adding more compounds; knowing whether you are optimizing for fat loss, muscle, or something else determines whether the stack makes sense.

Used an insulin syringe for this one, snapped a photo of the setup to show what it looked like.