Peptide reconstitution calculator
Vial + water + dose → concentration, exact syringe draw, doses per vial. Built by the Zyra Labs team, independent of every vendor, formulas documented below.
CONCENTRATION
2.5 mg/mL
YOUR DRAW (U-100)
10 units
DOSES IN VIAL
20
0102030405060708090100
Per-compound calculators
Defaults tuned to each compound's common vial sizes and published research doses:
SemaglutideTirzepatideBPC-157TB-500IpamorelinCJC-1295Testosterone CypionateAnastrozoleHCGRetatrutideGHK-CuPT-141CagrilintideGHRP-6GHRP-2Thymosin Alpha-1LiraglutideSurvodutideMazdutideGonadorelinSS-31 (Elamipretide)IGF-1 LR3
The three formulas
- concentration = mg in vial ÷ mL of water
- draw (mL) = dose ÷ concentration
- U-100 units = mL × 100 (a U-100 insulin syringe holds 100 units per mL)
Zyra Labs is a research and educational utility. Nothing on this page is medical advice, a dosing recommendation, or an endorsement of any compound. We never sell or source compounds and refuse sourcing questions. Consult a qualified clinician for decisions about your health.