This tool exists to make your life a little easier, but it isn't absolutely fool-proof. Check your calculations.
Most people use insulin needles to inject peptides. I've written an article which covers everything you need to know about
purchasing and safely using needles.
There should be a label on your peptide vial which indicates the amount of peptide contained in the vial.
You might see it referred to as a “reconstitution solution.” The important ingredient is Benzyl alcohol, which keeps bacteria out of your peptide solution for several weeks.
I encourage you to first familiarize yourself with the typical dosage range for this peptide.
It's important to double-check these calculations, as mistakes can happen.
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