Understand the source comparison
Side-by-Side Comparison: Choosing the Right Solution for Your Peptide
The choice of reconstitution solution depends on three factors: how many doses you will draw from the vial, whether the peptide tolerates benzyl alcohol, and what the manufacturer specifies. Preservative 0.9% benzyl alcohol None Varies Multi-dose use Yes (28 d
This page preserves a source comparison for education. It does not add a rating, recommendation or clinical judgment.
- The choice of reconstitution solution depends on three factors: how many doses you will draw from the vial, whether the peptide tolerates benzyl alcohol, and what the manufacturer specifies.
- Preservative
- 0.9% benzyl alcohol
- None
- Varies
- Multi-dose use
- Yes (28 days)
- Per label
- Tonicity
- Hypotonic
- Isotonic
- pH
- ~5.7 (unbuffered)
- ~5.5 (unbuffered)
- Often buffered (6.5-7.5)
- Cost per vial (30 mL)
- $3-8
- $2-5
- $5-10
- Included with product
- Neonatal safe
- Availability
- OTC, online
- Pharmacy, online
- Pharmacy
- With product only
- For most research peptides drawn from multi-dose vials, bacteriostatic water is the correct choice. Use the reconstitution calculator to determine the exact volume for your vial size and desired concentration.