How to Reconstitute Peptides with Bacteriostatic Water: Step-by-Step UAE Guide
How to Reconstitute Peptides with Bacteriostatic Water: Step-by-Step UAE Guide
Received your peptide vial and not sure what to do next? This guide walks you through the complete reconstitution process — from equipment needed, to calculating the right water volume, to proper injection technique and storage. Follow these steps every time for consistent, contamination-free results.
What You Need Before Starting
- Bacteriostatic water (0.9% benzyl alcohol — not sterile water)
- Sterile insulin syringes (29G or 30G needles, 0.5ml or 1ml)
- Alcohol swabs (isopropyl alcohol 70%)
- Clean, flat surface to work on
- Refrigerator for storage after reconstitution
Do not use tap water, distilled water, or expired bacteriostatic water. Do not reuse syringes. Always use a fresh alcohol swab for each vial cleaning.
Step 1: Calculate Your Water Volume
Before touching anything, determine how much bacteriostatic water to add using this formula:
Peptide (mg) ÷ Target Concentration (mg/ml) = Bacteriostatic Water (ml)
Your target concentration determines how many micrograms are in each unit of your insulin syringe. At a concentration of 1mg/ml, each 0.1ml (10 units on an insulin syringe) = 100mcg.
| Concentration | Per 0.1ml (10 units) | Per 0.05ml (5 units) |
|---|---|---|
| 1 mg/ml | 100 mcg | 50 mcg |
| 2 mg/ml | 200 mcg | 100 mcg |
| 2.5 mg/ml | 250 mcg | 125 mcg |
| 5 mg/ml | 500 mcg | 250 mcg |
Step 2: Clean Your Work Area and Vial Stoppers
Wipe the rubber stopper of both vials (peptide vial and bacteriostatic water vial) with a fresh alcohol swab. Allow 30 seconds for the alcohol to evaporate before inserting any needle — wet alcohol can be drawn into the syringe.
Step 3: Draw the Bacteriostatic Water
Insert your syringe needle through the centre of the bacteriostatic water vial stopper. Draw back the plunger to pull the calculated volume of water into the syringe. Withdraw the needle cleanly.
Step 4: Inject Water Into the Peptide Vial
This is the most critical step. Insert the syringe needle into the peptide vial stopper and angle it so the needle tip touches the inside wall of the glass — not pointing down at the powder. Slowly depress the plunger over at least 30 seconds. The water should run down the vial wall and gently pool under the powder, dissolving it from below.
Do not inject water directly onto the powder. Direct-impact injection causes foaming, which introduces air bubbles and can physically damage sensitive peptide structures. Wall injection is non-negotiable.
Step 5: Dissolve the Powder
Once all the water is in the vial, gently swirl the vial between your palms in a circular motion. Do not shake, invert repeatedly, or vortex. Most peptides dissolve within 1–5 minutes. Some larger peptides (e.g. TB-500, GHK-Cu) may take 10–15 minutes — be patient.
The solution should be completely clear and colourless when fully dissolved. A very slight yellow tint is acceptable for some peptides. Cloudiness usually means incomplete dissolution — keep swirling. Visible particles that don't dissolve after 15 minutes indicate a potential problem.
Step 6: Label and Store
Write today's date on the vial. This is your reconstitution date — you have 28 days from this date to use the solution. Place the vial in the refrigerator immediately at 2–8°C. Never leave reconstituted peptide at room temperature for extended periods, especially in Dubai's ambient temperatures.
Drawing a Dose from a Reconstituted Vial
- Remove the vial from the refrigerator, allow 5 minutes to approach room temperature
- Clean the stopper with a fresh alcohol swab
- Insert a fresh syringe and draw your dose
- Return the vial to the refrigerator immediately
- Inspect the solution each time — if it has become cloudy, discard it
Reconstitution Reference: Common Peptides
| Peptide | Vial Size | Recommended BAC Water | Concentration |
|---|---|---|---|
| BPC-157 | 5mg | 2ml | 2.5 mg/ml |
| Epithalon | 10mg | 5ml | 2 mg/ml |
| TB-500 | 10mg | 10ml | 1 mg/ml |
| GHK-Cu | 20mg | 10ml | 2 mg/ml |
| Semax | 50mg | 10ml | 5 mg/ml |
| Ipamorelin | 2mg | 2ml | 1 mg/ml |
| CJC-1295 | 5mg | 5ml | 1 mg/ml |
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Written by Shopify API
Core Sup Research Team · Peptide & Supplement Specialists, Dubai UAE
Core Sup's editorial team is composed of specialists in peptide therapy, SARMs, and sports supplementation with direct experience in the UAE market. All content is written to current research standards and reviewed before publication.
Last reviewed: April 2026 · About Core Sup
