Enter your vial size and bacteriostatic water, then your target dose. The calculator shows your concentration, doses per vial, and exactly how much to draw — with a visual syringe guide.
Concentration—
Doses per vial—
Volume to draw—
Draw to—
1 mL = 100 units on a standard insulin syringe. Draw slowly for accuracy.
Blend dose
For combination vials (e.g. CJC-1295 / Ipamorelin), enter the total milligrams of each peptide in the vial and the BAC water. The calculator returns the draw volume for your target dose of the primary component.
Combined concentration—
Draw to—
Protocol planner
Estimate how long a vial lasts and your daily/weekly draw.
Draw per dose—
Doses per vial—
Vial lasts—
Common vial sizes
BPC-1575mg, 10mg
TB-5005mg, 10mg
Semaglutide3mg, 5mg
Tirzepatide5mg, 10mg, 15mg
Ipamorelin5mg, 10mg
CJC-12952mg, 5mg
GHK-Cu50mg, 100mg
Syringe types
0.3 mL30 units · precision
0.5 mL50 units · most peptides
1 mL100 units · larger doses
Use the smallest syringe that fits your dose for the best precision.
Reconstitution tips
◆ Use bacteriostatic water (0.9% benzyl alcohol).
◆ Aim water down the vial wall, not onto the powder.
◆ Never shake — gently swirl until dissolved.
◆ Refrigerate at 2–8°C after mixing.
◆ Use within ~28 days; clean the vial top before each draw.
Educational use only. This calculator is provided for general educational and reference purposes and is not medical advice, a prescription, or a recommendation to use any compound. Always verify calculations independently and consult a licensed healthcare provider. Therapies referenced through Joy Health Optimization are available only following evaluation by a licensed provider where clinically appropriate and legally permitted. These statements have not been evaluated by the FDA.