Peptide Calculator

Simplify mixing and dosing for peptides like BPC-157, Semaglutide, and Tirzepatide, Retatrutide and NAD+ with our free peptide calculator. Comes with a visual syringe guide for perfect accuracy every time

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Peptide Dosage Calculator

No need to calculate pepcalc dosages. Use our recommended doses and get accurate results for popular Peptides like BPC-157, Semaglutide, Tirzepatide, Retatrutide, NAD+, TB-500, Ipamorelin, and CJC-1295. You can use our Mg to Mcg convertor for converting your desired doses.

BPC-157 Profile Card
Healing

BPC-157

Promotes faster healing of muscles, joints, and gut tissue.

Common Dose 0.25mg
Strength 10mg
Water 3mL
Frequency 1-2x daily
Key Benefits:
Tissue repair Gut health Joint healing +1 more
Note:
Best taken on empty stomach, 15-30 minutes before meals
Semaglutide Profile Card
Weight Loss

Semaglutide

Supports steady weight loss by controlling appetite and blood sugar.

Common Dose 0.25mg
Strength 5mg
Water 2mL
Frequency 1x weekly
Key Benefits:
Weight loss Appetite suppression Blood sugar control +1 more
Note:
Start low and gradually increase dose. Inject subcutaneously in abdomen, thigh, or upper arm
Tirzepatide Profile Card
Weight Loss

Tirzepatide

Accelerates fat loss and improves metabolic function.

Common Dose 2.5mg
Strength 10mg
Water 2mL
Frequency 1x weekly
Key Benefits:
Superior weight loss Appetite control Blood sugar regulation +1 more
Note:
More potent than semaglutide. Start with 2.5mg and titrate up every 4 weeks
Retatrutide Profile Card
Weight Loss

Retatrutide

Maximizes weight reduction and boosts overall energy metabolism.

Common Dose 4mg
Strength 10mg
Water 2.5mL
Frequency 1x weekly
Key Benefits:
Maximum weight loss Metabolic enhancement Energy expenditure +1 more
Note:
Most potent weight loss peptide. Monitor closely for side effects. Start conservatively
NAD+ Profile Card
Anti-Aging

NAD+

Enhances cellular energy, repair, and anti-aging functions.

Common Dose 100mg
Strength 1000mg
Water 5mL
Frequency 2-3x weekly
Key Benefits:
Cellular energy DNA repair Anti-aging +1 more
Note:
Higher doses may cause flushing. Consider splitting dose or injecting slowly.
TB-500 Profile Card
Recovery

TB-500

Speeds up recovery from injuries and improves flexibility.

Common Dose 2.5mg
Strength 10mg
Water 3mL
Frequency 2x weekly
Key Benefits:
Muscle recovery Wound healing Flexibility +1 more
Note:
Often stacked with BPC-157 for enhanced healing effects.
Ipamorelin Profile Card
Growth Hormone

Ipamorelin

Stimulates natural growth hormone release for muscle growth and fat loss.

Common Dose 0.2mg
Strength 5mg
Water 2.5mL
Frequency 2-3x daily
Key Benefits:
Muscle growth Fat loss Better sleep +1 more
Note:
Best taken on empty stomach. Avoid eating 1 hour before/after injection.
CJC-1295 Profile Card
Growth Hormone

CJC-1295

Boosts long-term growth hormone production and improves recovery and sleep.

Common Dose 0.1mg
Strength 5mg
Water 2.5mL
Frequency 2-3x weekly
Key Benefits:
Sustained GH release Muscle preservation Improved sleep +1 more
Note:
Often combined with Ipamorelin for synergistic effects.

Disclaimer

These profiles are for research purposes only. Dosages are common research ranges and should not be considered medical advice. Always consult with a healthcare professional before use. Individual needs may vary significantly.

Peptide Dose Calculator & Draw

Peptide prep made simple. Just add your vial and BAC Water details, and our tool instantly calculates how much to draw for precise, repeatable doses. Works seamlessly with peptides like BPC-157, Semaglutide, Retatrutide, and NAD+. You can also use our Blend Calculator for mixtures like Glow Blend and so on.

Calculator Parameters
Dose of Peptide
Custom dose: mg
Peptide Strength (corresponds with the size of your vial)
Custom strength: mg
Bacteriostatic Water (determines peptide concentration)
Custom volume: mL
Results
Peptide Dose
0.25 mg
Draw Syringe To
15.0 units
100 units
Your Vial Contains
20 doses
Concentration
1.67 mg/mL

Storage & Reconstitution Guide

Professional guidelines for research peptide storage, reconstitution, and handling — learn best practices for BPC-157, Semaglutide, Tirzepatide, and more to maintain maximum safety, stability, and efficacy.

Lyophilized (Powder)

Lyophilized (Powder)

Temperature: -20°C to 2-8°C
Duration: 2-3 years
Conditions: Dark, dry place

Most stable form, can be stored at room temperature for short periods

Reconstituted

Reconstituted

Temperature: 2-8°C (refrigerator)
Duration: 7-30 days
Conditions: Sterile bacteriostatic water

Use within recommended timeframe, do not freeze

Pre-filled Syringes

Pre-filled Syringes

Temperature: 2-8°C (refrigerator)
Duration: 3-7 days
Conditions: Protect from light

Single use only, discard after use

Important: Never freeze reconstituted peptides. Freezing can cause precipitation and loss of potency. Always check manufacturer guidelines for specific storage requirements.

Medical Disclaimer: This information is for research purposes only and should not be considered medical advice. Always consult with qualified healthcare professionals before handling or administering any peptides. Follow all local regulations and institutional guidelines.

1

Gather Supplies

Collect your peptide vial, bacteriostatic water, alcohol swabs, and sterile syringe.

Make sure everything is clean and not expired.

2

Sanitize Area

Clean your hands and workspace with 70% isopropyl alcohol.

Keep the setup as sterile as possible.

3

Prep the Vials

Remove both vial caps and wipe the rubber tops with an alcohol swab.

Let them air dry for a few seconds.

4

Draw the Water

Insert the syringe into the BAC water vial and pull out the required amount.

Be careful not to touch or contaminate the needle.

5

Add Water to Peptide

Insert the needle into the peptide vial and inject water slowly along the glass wall.

Avoid spraying directly on the powder to prevent bubbles or foam.

6

Mix & Store

Gently swirl until fully dissolved (never shake).

Label the vial, refrigerate & use within the recommended timeframe.

Storage

  • Store lyophilized (dry) peptides in a freezer at -20°C for long-term stability

  • Keep reconstituted peptides in a refrigerator maintained at 2–8°C at all times

  • Protect vials from light by using amber glass or wrapping them in foil

  • Avoid repeated freezing and thawing as it breaks down peptide integrity

  • Always label vials clearly with peptide name, reconstitution date, and expiry

Handling

  • Work with sterile hands and tools. Sanitize everything before use

  • Clean vial stoppers and injection sites with 70% isopropyl alcohol before every step

  • Use a new sterile syringe and needle for every draw or injection

  • Rotate injection areas to prevent irritation or scar tissue

  • Dispose of needles properly in a medical sharps container, not regular trash

Preparation

  • Calculate your reconstitution ratio and required BAC water volume in advance

  • Use bacteriostatic water (not sterile water) for multi-use vials

  • Allow cold vials to reach room temperature before mixing to prevent pressure buildup

  • Inspect the final solution. It should be clear and particle-free before use

  • Record the preparation date and estimated expiration in your notes or on the vial

Medical Disclaimer: This information is for research purposes only and should not be considered medical advice. Always consult with qualified healthcare professionals before handling or administering any peptides. Follow all local regulations and institutional guidelines.

Peptide won’t dissolve

Possible Causes:

  • Water was injected too quickly

  • Peptide has expired or lost potency

  • Used the wrong type of water

Solutions:

  • Add a little more BAC water slowly along the side of the vial

  • Swirl gently, don’t shake & check expiry

  • Use BAC water only

Cloudy Solution Troubleshooting

Solution Looks Cloudy or Milky

Possible Causes:

  • Vial got contaminated during mixing

  • Peptide went bad from poor storage

  • Temperature changes caused particles to form

Solutions:

  • Throw it out and start with a fresh vial

  • Mix a fresh vial using clean tools and alcohol-swabbed surfaces

  • Keep the vial refrigerated between 2–8°C and away from light

Cloudy Solution Troubleshooting

Redness or Burning After Injection

Possible Causes:

  • Solution is too strong

  • Reaction to preservatives

  • Injected too shallow or too deep

Solutions:

  • Add a bit more water to reduce strength

  • Change injection spots each time

  • Use a fine, short needle and inject slowly

Medical Disclaimer: This information is for research purposes only and should not be considered medical advice. Always consult with qualified healthcare professionals before handling or administering any peptides. Follow all local regulations and institutional guidelines.

How to Use the Peptide Calculator

Step-by-step guide to accurately calculate research peptide dosages — ideal for BPC-157, Semaglutide, Tirzepatide, and other peptide reconstitution and dosing calculations.

Dose Card
1

Set Your Dose

Enter the amount you want to take in micrograms (mcg). This tells the calculator how strong each dose should be.

Dose Card
2

Enter Peptide Amount

Type in the total peptide strength (mg) written on your vial. This helps the calculator know how much peptide you’re working with.

Dose Card
3

Add Water Volume

Enter how much bacteriostatic water (mL) you plan to mix in. This controls how concentrated your final solution will be.

Dose Card
4

View Your Results

Check the displayed results to see exactly how many syringe units to draw for your dose.

Example Calculation

Scenario:

Peptide Strength: 5mg
Bacteriostatic Water: 3mL
Desired Dose: 250mcg (0.25mg)

Results:

Concentration: 1.67 mg/mL
Draw Syringe To: 15 units
Total Doses: 20 doses

Remember: 100 units on the syringe equals 1mL. This visual aid makes the process straightforward and reduces the chance of errors.