9d (edited) • Peptide Tips
Peptide Pen Cartridge = Multi-Dose Vial Experiment? I Tested It 🧪
So here's a fun little accidental experiment I ran yesterday.
If you're familiar with peptide pens, you know the deal — you reconstitute your peptide, transfer the solution into one of those little pen cartridges, pop it in, and dose from there.
Well, I ran out of the needle tips for my pen. My GHK-Cu was already loaded in the cartridge and I needed my dose. So I thought… why not just draw from the cartridge with a regular insulin syringe? Same reconstituted solution, same sterile container — in my head, it should work exactly like pulling from a multi-dose vial.
So that's what I did. Drew my normal amount.
Results? Worked perfectly. No issues whatsoever.
Now, everything in my mind told me this should work, and it did — but I still thought it was an interesting little proof of concept worth sharing. At the end of the day, that cartridge is just a small sealed container holding your reconstituted peptide. Whether you're dispensing it through a pen tip or drawing it out with a syringe, the solution doesn't know the difference.
Just a good reminder that if you ever find yourself in a pinch (no pun intended), you've got options.
Has anyone else done this before? Curious if others have run into the same situation. 👇
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Derek Pruski
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Peptide Pen Cartridge = Multi-Dose Vial Experiment? I Tested It 🧪
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