Complete Your Research Order
Bacteriostatic Water is used to reconstitute peptide compounds. Browse the full Astra Labs range:
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🔥 Best Seller
Retatrutide 10mg
Triple GLP-1/GIP/Glucagon
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🔥 Best Seller
Retatrutide 20mg
Higher yield research
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Wolverine Stack
BPC-157 + TB-500 10mg
Tissue research blend
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GH Research Blend
CJC-1295 + Ipamorelin
10mg dual peptide blend
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Nootropic
Semax 10mg
Neuropeptide research
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Triple Blend
Glow 70mg Blend
GHK-Cu + BPC-157 + TB-500
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Also Available — Lab Accessories
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Lab Essential
Reconstitution Syringe 5ml 21G
For peptide reconstitution
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Lab Essential
Sterile Alcohol Wipes (Pack of 20)
Pre-injection sterile wipes
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Bacteriostatic Water 3ml UK — Best Sterile Research Solution
Bacteriostatic Water 3ml from Astra Labs is a premium sterile water
solution supplied in a sealed glass vial for laboratory research preparation. Each vial
contains 3ml of bacteriostatic water — the standard sterile diluent used in peptide
reconstitution workflows in controlled research environments.
Bacteriostatic water contains 0.9% benzyl alcohol, which inhibits the growth of most
bacteria and fungi. Therefore, it allows a vial to be used multiple times while maintaining
sterility — unlike standard sterile water for injection, which is typically single-use only.
As a result, bacteriostatic water is the preferred diluent for lyophilised peptide
reconstitution in most laboratory settings.
Bacteriostatic Water 3ml — Product Specifications
| Specification | Detail |
|---|---|
| Product | Bacteriostatic Water 3ml |
| Solution type | Sterile water with 0.9% benzyl alcohol |
| Volume | 3ml per vial |
| Format | Sterile liquid solution |
| Packaging | Sterile sealed glass vial |
| Primary use | Lyophilised peptide reconstitution (research) |
| Multi-use | Yes — 0.9% benzyl alcohol maintains sterility |
| Dispatch | UK domestic — 24–48 hour dispatch |
| Shipping | Free UK shipping on orders over £50 |
| Use | Laboratory research preparation only |
Why Is Bacteriostatic Water Used for Peptide Reconstitution?
Most research peptides are supplied in lyophilised (freeze-dried) powder format for
long-term stability. Therefore, before use in a laboratory setting, they require
reconstitution with a suitable sterile diluent. Bacteriostatic water is the standard choice
for several key reasons:
| Factor | Bacteriostatic Water | Standard Sterile Water |
|---|---|---|
| Benzyl alcohol content | ✅ 0.9% — inhibits bacterial growth | ❌ None |
| Multi-use compatibility | ✅ Multiple withdrawals possible | ❌ Single use only |
| Vial sterility maintenance | ✅ Maintained after puncture | ❌ Compromised after first use |
| Preferred for | ✅ Lyophilised peptide reconstitution | Limited research applications |
Recommended Research Accessories
For a complete laboratory preparation setup, researchers typically use bacteriostatic
water alongside the following Astra Labs accessories:
- ✅ Reconstitution Syringe 5ml 21G — for transferring bacteriostatic water into lyophilised peptide vials
- ✅ Insulin Syringe 0.5ml 29G — for precise measurement after reconstitution
- ✅ Sterile Alcohol Wipes (Pack of 20) — for vial top sterilisation before each withdrawal
Storage Guidance
- Store Bacteriostatic Water 3ml in a cool, dry place at room temperature
- Keep away from direct sunlight and excessive heat
- Once opened, keep refrigerated and use with sterile technique on each withdrawal
- Check vial integrity before use — do not use if seal is compromised
Why Choose Bacteriostatic Water from Astra Labs?
- ✅ UK-based dispatch — no overseas customs delays
- ✅ Sterile sealed glass vial — clean, professional packaging
- ✅ 3ml format — practical size for laboratory preparation
- ✅ 24–48 hour UK dispatch — fast turnaround on all orders
- ✅ Free UK shipping on orders over £50
- ✅ Combine with peptide orders — order together for free shipping
Frequently Asked Questions
What is bacteriostatic water used for?
Bacteriostatic water is a sterile solution containing 0.9% benzyl
alcohol used as a diluent for reconstituting lyophilised research compounds including
peptides. The benzyl alcohol content inhibits bacterial growth, allowing multiple
withdrawals from a single vial while maintaining sterility — unlike standard sterile
water which is single-use only.
How much bacteriostatic water do I need per peptide vial?
The volume of bacteriostatic water used per peptide vial depends on
the specific research protocol and the compound being reconstituted. Researchers should
follow their laboratory’s established procedures and relevant published protocols for
each specific compound.
Why is bacteriostatic water better than sterile water for peptides?
Bacteriostatic water contains 0.9% benzyl alcohol which inhibits
bacterial and fungal growth after the vial is punctured. This makes it suitable for
multi-use withdrawals from a single vial, whereas standard sterile water should only
be used once after the seal is broken. For lyophilised peptide reconstitution in
laboratory research, bacteriostatic water is the standard preferred diluent.
What syringe should I use with bacteriostatic water?
For transferring bacteriostatic water into lyophilised peptide vials,
a reconstitution syringe such as the 5ml 21G is commonly used in laboratory settings.
Astra Labs supplies a 5ml 21G
reconstitution syringe alongside bacteriostatic water.
How quickly is Bacteriostatic Water 3ml dispatched?
Astra Labs dispatches Bacteriostatic Water 3ml within 24–48 hours
from UK stock. Free UK shipping applies on orders over £50 — easily reached when
combined with a peptide compound order. All orders ship in discreet, unmarked
packaging.
What research peptides does Astra Labs supply?
Astra Labs supplies Retatrutide 10mg and 20mg, BPC-157 + TB-500
(Wolverine Stack), CJC-1295 + Ipamorelin, NAD+ 500mg, GHK-Cu 50mg, Semax 10mg,
Selank 10mg and Glow 70mg blend — all for UK laboratory research use only with
Janoshik COA verification and fast domestic dispatch.
Research Use Information
Bacteriostatic Water 3ml is supplied strictly for laboratory research purposes only.
It is not intended for human consumption or injection. All handling should comply with
relevant laboratory standards, internal protocols and good practice guidelines.
For more information on peptides and research compounds:
What Are Peptides? |
Research Peptides UK |
Certificates of Analysis
Important: For laboratory research preparation use only. Not for human
consumption or injection. Refer to the
MHRA for UK medicines regulation.





