Understanding Peptide Reconstitution
Reconstitution is the process of mixing a lyophilized (freeze-dried) peptide powder with a sterile liquid to create an injectable solution. This is a critical step that affects the stability, potency, and safety of your peptide.
What You'll Need
- Lyophilized peptide vial
- Bacteriostatic water (BAC water)
- Sterile syringes (typically 1mL insulin syringes)
- Alcohol swabs
- Clean workspace
Step-by-Step Reconstitution Process
Step 1: Calculate Your Volume
Before reconstituting, decide how much bacteriostatic water to add. This determines your concentration.
Example Calculation:
- Peptide amount: 5mg (5000mcg)
- BAC water added: 2.5mL
- Concentration: 5000mcg ÷ 2.5mL = 2000mcg/mL (or 2mg/mL)
Step 2: Prepare Your Workspace
- Wash hands thoroughly
- Clean your workspace with isopropyl alcohol
- Gather all materials
- Allow peptide vial to reach room temperature
Step 3: Add Bacteriostatic Water
- Wipe the rubber stopper of both vials with alcohol swabs
- Draw your calculated amount of BAC water into a syringe
- Insert needle into peptide vial at an angle
- Slowly add water, letting it run down the side of the vial
- Do NOT shake or swirl aggressively
Step 4: Allow to Dissolve
- Let the vial sit for 5-10 minutes
- Gently roll the vial between your palms if needed
- Solution should be clear - if cloudy, do not use
Common Reconstitution Mistakes to Avoid
| Mistake | Why It's Bad | Solution |
|---|---|---|
| Injecting water directly onto powder | Damages peptide structure | Aim at vial wall |
| Shaking vigorously | Denatures peptides | Roll gently |
| Using non-sterile water | Contamination risk | Always use BAC water |
| Incorrect dosing math | Under/overdosing | Double-check calculations |
Dosage Calculation Examples
Example 1: BPC-157
- Vial: 5mg BPC-157
- Water added: 2mL
- Concentration: 2.5mg/mL (2500mcg/mL)
- Desired dose: 250mcg
- Draw: 0.1mL (10 units on insulin syringe)
Example 2: CJC-1295/Ipamorelin
- Vial: 2mg each peptide
- Water added: 2mL
- Concentration: 1mg/mL (1000mcg/mL)
- Desired dose: 100mcg each
- Draw: 0.1mL (10 units)
Storage After Reconstitution
Once reconstituted, peptides must be stored properly:
- Temperature: 36-46°F (2-8°C) - refrigerator
- Light: Keep away from direct light
- Duration: Most peptides stable 28-42 days
- Handling: Minimize temperature fluctuations
Frequently Asked Questions
Q: Can I use sterile water instead of bacteriostatic water?
A: For single-use, yes. But BAC water contains benzyl alcohol which prevents bacterial growth, making it essential for multi-use vials.
Q: What if my peptide won't dissolve?
A: Give it more time (up to 30 minutes). If still cloudy after gentle rolling, the peptide may be damaged.
Q: How do I know my reconstituted peptide is still good?
A: It should remain clear and colorless. Any cloudiness, particles, or color change means it should be discarded.
Use PeptIQ's Built-in Calculator
The PeptIQ app includes a reconstitution calculator that does all the math for you. Simply enter your peptide amount, desired concentration, and get exact measurements instantly.
