Enter your vial size, the amount of bacteriostatic water you're adding, and your target dose. This calculator gives you the exact number of units to draw on a U-100 insulin syringe, the concentration, and how many doses are in the vial.
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Reconstitution means adding bacteriostatic water to a lyophilized (freeze-dried) peptide vial so it can be injected. The math matters: the same vial can be diluted many ways, and the amount you draw depends on how much water you added. Add the water slowly down the side of the vial, swirl gently (never shake), and store reconstituted peptides refrigerated.
A U-100 insulin syringe has 100 units per mL. Once you know your concentration (total mcg ÷ total mL), the units to draw for any dose is simply your dose ÷ concentration × 100. This calculator does that instantly so you don't have to.
For educational and research purposes only. Not medical advice. Always double-check your own math. Consult a physician before starting any peptide protocol. BioHack is a tracking tool and does not sell peptides.