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Mixing & Reconstitution Chart

Peptide Mixing & Reconstitution Guide

This peptide mixing chart is a quick-reference guide for understanding how many syringe units may equal a certain dose after a peptide is reconstituted with bacteriostatic water.

Many research peptides come as a dry lyophilized powder. Before they can be measured in a syringe, liquid is added to the vial. This process is called reconstitution.

Simple idea:
The amount of peptide in the vial + the amount of water added = the concentration.

Why Reconstitution Volume Matters

The same peptide vial can produce different syringe-unit amounts depending on how much bacteriostatic water is added.

Example

A 5mg vial mixed with 1mL will be more concentrated than a 5mg vial mixed with 2mL.

That means the same dose will require fewer syringe units when the vial is more concentrated.

Basic Conversions

  • 1 mg = 1,000 mcg
  • 1 mL = 100 units on a standard U-100 insulin syringe
  • 5 mg = 5,000 mcg
  • 10 mg = 10,000 mcg
Vial strength ÷ water added = concentration

Peptide Mixing Chart

This chart shows common examples using 5mg and 10mg peptide vials with common reconstitution volumes.

Dose 5mg + 1mL 5mg + 2mL 10mg + 2mL 10mg + 3mL
100 mcg 2 units 4 units 2 units 3 units
250 mcg 5 units 10 units 5 units 7.5 units
500 mcg 10 units 20 units 10 units 15 units
1 mg 20 units 40 units 20 units 30 units
2 mg 40 units 80 units 40 units 60 units
Important: This chart is a general reference only. Exact calculations depend on your vial size, how much water was added, and the target dose.

How to Read the Chart

Step 1

Find your target dose on the left side.

Step 2

Find the vial size and water amount across the top.

Step 3

The number where they meet is the approximate syringe units.

Example Walkthrough

Example: 5mg vial + 2mL water

  • 5mg = 5,000 mcg
  • 2mL = 200 units
  • 5,000 mcg ÷ 200 units = 25 mcg per unit
  • 250 mcg ÷ 25 = 10 units

Common Beginner Mistakes

Confusing mg and mcg

Milligrams and micrograms are not the same. 1mg = 1,000mcg.

Thinking all vials measure the same

A 5mg vial and a 10mg vial can look the same size, but the concentration is different.

Forgetting that water changes concentration

Adding more water does not change how much peptide is in the vial. It only changes how concentrated each syringe unit is.

Peptide Research Tools

Peptide Specific Calculators

Disclaimer: This chart is for educational and research discussion purposes only. It is not medical advice or dosing guidance.

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