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Peptide Therapy GuideClear peptide education

Understand the source comparison

IGF-1 LR3 Storage: Condition Comparison

Lyophilised at −20°C 24–36 months >98% Default long-term storage; minimize freeze-thaw cycles Optimal for unreconstituted stock Lyophilised at 2–8°C 12–18 months >95% Acceptable short-term if −20°C unavailable Avoid extended use at this temp Reconstituted at 2

No winner is assigned.

This page preserves a source comparison for education. It does not add a rating, recommendation or clinical judgment.

  • Lyophilised at −20°C
  • 24–36 months
  • >98%
  • Default long-term storage; minimize freeze-thaw cycles
  • Optimal for unreconstituted stock
  • Lyophilised at 2–8°C
  • 12–18 months
  • >95%
  • Acceptable short-term if −20°C unavailable
  • Avoid extended use at this temp
  • Reconstituted at 2–8°C
  • 28 days (bacterial), 14 days (optimal potency)
  • 95% at 14 days, 85% at 28 days
  • Reconstitute only what you'll use within 2 weeks
  • Standard practice for active research
  • Reconstituted at 20–25°C
  • 7 days
  • 70% at 7 days, <50% at 14 days
  • Emergency only; transfer to refrigerator ASAP
  • Unacceptable for controlled studies
  • Reconstituted frozen
  • Not recommended
  • 50% after one freeze-thaw cycle
  • Never freeze reconstituted peptide
  • Structural damage irreversible