Source comparison
TB-500 Stability: Peptide Form Comparison
Lyophilised (pre-reconstitution) −20°C to −80°C 24–36 months Minimal. Solid-state peptides are highly stable Airtight seal, low humidity, freezer storage Gold standard for long-term storage. Minimal degradation risk when properly sealed Reconstituted with bact
This comparison does not assign a generated winner or score.
- Lyophilised (pre-reconstitution)
- −20°C to −80°C
- 24–36 months
- Minimal. Solid-state peptides are highly stable
- Airtight seal, low humidity, freezer storage
- Gold standard for long-term storage. Minimal degradation risk when properly sealed
- Reconstituted with bacteriostatic water
- 2–8°C
- 2–4 weeks
- Hydrolysis, oxidation if exposed to light or heat
- Refrigeration, light protection, aseptic technique
- Viable for multi-dose protocols if handled correctly. Temperature discipline is non-negotiable
- Reconstituted with sterile water
- 48–72 hours
- Microbial contamination, rapid hydrolysis
- Single-use or immediate refrigeration after each draw
- Use only for immediate single-dose applications. No bacteriostatic preservative limits shelf life
- Room temperature (reconstituted)
- 15–25°C
- 6–12 hours
- Aggregation, oxidation, partial denaturation
- Return to refrigeration within 90 seconds of removal
- Unsafe for storage. Acceptable only during brief dose preparation
- Frozen (reconstituted)
- −20°C or below
- Immediate loss of activity
- Ice crystal formation causes irreversible aggregation
- Never freeze reconstituted peptides
- Complete loss of bioactivity. This is a storage failure, not a preservation method