Free Peptide Calculator for Tirzepatide

Tirzepatide Reconstitution & Dosage Calculator

function calculateTirzepatideDosage() { var peptideVialSizeMg = parseFloat(document.getElementById('peptideVialSizeMg').value); var bacWaterVolumeMl = parseFloat(document.getElementById('bacWaterVolumeMl').value); var desiredDoseMg = parseFloat(document.getElementById('desiredDoseMg').value); if (isNaN(peptideVialSizeMg) || isNaN(bacWaterVolumeMl) || isNaN(desiredDoseMg) || peptideVialSizeMg <= 0 || bacWaterVolumeMl <= 0 || desiredDoseMg <= 0) { document.getElementById('concentrationMgMl').innerHTML = 'Reconstituted Concentration: Please enter valid positive numbers for all fields.'; document.getElementById('syringeUnitsPerDose').innerHTML = 'Syringe Units for Desired Dose: — units'; document.getElementById('totalDosesFromVial').innerHTML = 'Total Desired Doses per Vial: — doses'; return; } // Calculate Reconstituted Concentration (mg/mL) var concentrationMgMl = peptideVialSizeMg / bacWaterVolumeMl; document.getElementById('concentrationMgMl').innerHTML = 'Reconstituted Concentration: ' + concentrationMgMl.toFixed(2) + ' mg/mL'; // Calculate mL per desired dose var mlPerDesiredDose = desiredDoseMg / concentrationMgMl; // Assuming a standard insulin syringe where 100 units = 1 mL var syringeUnitsPerDose = mlPerDesiredDose * 100; document.getElementById('syringeUnitsPerDose').innerHTML = 'Syringe Units for Desired Dose: ' + syringeUnitsPerDose.toFixed(1) + ' units'; // Calculate Total Desired Doses per Vial var totalDosesFromVial = peptideVialSizeMg / desiredDoseMg; document.getElementById('totalDosesFromVial').innerHTML = 'Total Desired Doses per Vial: ' + totalDosesFromVial.toFixed(1) + ' doses'; }

Understanding Tirzepatide Reconstitution and Dosage

Tirzepatide is a medication approved for the treatment of type 2 diabetes and chronic weight management. It works by mimicking the effects of two natural hormones, GLP-1 and GIP, which help regulate blood sugar and appetite. Often, Tirzepatide is supplied as a lyophilized (freeze-dried) powder in a vial, which requires reconstitution with a sterile diluent, typically bacteriostatic water, before it can be administered.

Why Reconstitution is Necessary

The powdered form of Tirzepatide is stable for longer periods. Reconstitution involves adding a specific volume of bacteriostatic water to the vial, which dissolves the powder to create a liquid solution ready for injection. This process is critical because it determines the concentration of the active medication in each milliliter of the solution, directly impacting the dosage you will draw into your syringe.

Key Factors in Dosage Calculation

• Tirzepatide Vial Size (mg): This is the total amount of Tirzepatide powder in the vial (e.g., 5mg, 10mg).
• Bacteriostatic Water Volume (mL): The exact amount of bacteriostatic water you add to the vial. This volume directly influences the final concentration.
• Desired Single Dose (mg): The specific amount of Tirzepatide you intend to inject per administration, as prescribed by a healthcare professional (e.g., 2.5mg, 5mg, 7.5mg).
• Syringe Type: Most commonly, insulin syringes are used, which are marked in "units." A standard insulin syringe has 100 units per 1 milliliter (mL). This conversion is vital for accurate dosing.

How to Use the Tirzepatide Reconstitution & Dosage Calculator

Our calculator simplifies the complex math involved in preparing your Tirzepatide doses. Follow these steps:

1. Enter Tirzepatide Vial Size (mg): Input the total milligrams of Tirzepatide in your vial.
2. Enter Bacteriostatic Water Volume (mL): Input the exact volume of bacteriostatic water you plan to use for reconstitution.
3. Enter Desired Single Dose (mg): Input the specific dose in milligrams that you need to administer per injection.
4. Click "Calculate Dosage": The calculator will instantly provide you with three crucial pieces of information:
   • Reconstituted Concentration (mg/mL): This tells you how many milligrams of Tirzepatide are in each milliliter of your mixed solution.
   • Syringe Units for Desired Dose: This is the most practical output, indicating exactly how many "units" you need to draw into your insulin syringe to get your desired dose.
   • Total Desired Doses per Vial: This helps you understand how many individual doses you can get from one reconstituted vial.

Example Usage:

Let's say you have a 5mg Tirzepatide vial and you reconstitute it with 1mL of bacteriostatic water. Your prescribed dose is 2.5mg per week.

• Tirzepatide Vial Size (mg): 5
• Bacteriostatic Water Volume (mL): 1
• Desired Single Dose (mg): 2.5

Upon calculation, you would find:

• Reconstituted Concentration: 5.00 mg/mL (5mg / 1mL)
• Syringe Units for Desired Dose: 50.0 units (0.5mL * 100 units/mL)
• Total Desired Doses per Vial: 2.0 doses (5mg / 2.5mg)

This means for each 2.5mg dose, you would draw 50 units into your insulin syringe, and the 5mg vial would provide two such doses.

Important Considerations:

Always ensure sterile technique when reconstituting peptides to prevent contamination. Use only high-quality bacteriostatic water for injection. This calculator is a tool for informational purposes and should not replace professional medical advice. Always consult with a healthcare provider or pharmacist regarding your specific dosage and administration instructions for Tirzepatide.