Bacteriostatic Water
Supplies Supplement / supply
Not a peptide. Sterile water with 0.9% benzyl alcohol, a preservative that stops bacteria from growing. Labs use it to dissolve freeze-dried peptides. The preservative is what allows several withdrawals from one vial, typically for up to 28 days after first use.
Evidence at a glance
- Evidence
- Not graded
- Status
- Supplement or supply
- Dosing
- No human study has set a dose
The benzyl alcohol preservative is not suitable for newborns and some people react to it.
What studies report
- Allows a freeze-dried vial to be dissolved and drawn from more than once, typically within 28 days
How it works
Not applicable — it is a diluent, not an active compound. The benzyl alcohol it contains prevents bacterial growth, which is what allows repeated withdrawals from one vial.
Illustrated
AI-generated subject illustration; not a depiction of the compound or evidence of its effects.
Why people take it
Reasons people seek it out — not a list of proven effects.
- Route
- Not administered — the diluent used to reconstitute the others
- Available as
- 10 ml
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Educational information only. Nothing here is medical advice, a dosing protocol, or a recommendation to use any compound. Most entries describe substances not approved for human use. Talk to a licensed clinician before acting on anything you read here. How to read these entries.