The Importance of Proper Peptide Storage
Peptide stability is directly influenced by temperature, moisture, light exposure, and pH. Improper storage can lead to degradation, aggregation, or loss of biological activity — compromising research results before the experiment even begins.
Lyophilized Peptides (Powder Form)
Most research peptides are supplied as lyophilized (freeze-dried) powder. This form is the most stable:
Storage Recommendations
- Long-term (months to years): Store at -20°C or below
- Short-term (weeks): 2-8°C is acceptable
- Protect from light: Store in original packaging or amber vials
- Keep dry: Ensure vials are tightly sealed; desiccant packs help
Before Opening
Always allow the vial to come to room temperature before opening. Opening a cold vial in a warm room causes condensation to form inside, introducing moisture that degrades the peptide.
Reconstituted Peptides (Solution Form)
Once reconstituted, stability decreases significantly. Guidelines:
Storage Recommendations
- Short-term (days to weeks): Store at 2-8°C
- Long-term: Aliquot and freeze at -20°C or -80°C
- Avoid freeze-thaw cycles: Each cycle degrades the peptide
- Use sterile technique: Prevent microbial contamination
Reconstitution Best Practices
- Use bacteriostatic water or sterile water as the diluent
- Add diluent slowly down the side of the vial — never directly onto the powder
- Swirl gently; do not shake or vortex (this causes aggregation)
- Allow the powder to dissolve completely before use
Common Storage Mistakes
- Storing lyophilized powder in a refrigerator with food (moisture exposure)
- Opening cold vials at room temperature
- Repeatedly freezing and thawing reconstituted solutions
- Exposing peptides to direct sunlight
- Using tap water or non-sterile diluents
Vlora Peptides Shipping Standards
All orders are shipped using insulated packaging to maintain temperature during transit. Vials are sealed, protected from light, and dispatched from our AU, US, and UK warehouses for fast domestic delivery.
⚠️ FOR RESEARCH USE ONLY. Not for human or animal consumption. Products are supplied strictly for in-vitro laboratory research and development.