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Article: Common documentation red flags when buying peptides

Common documentation red flags when buying peptides

  • No chromatogram
  • No method description
  • No lot number
  • Reused COAs
  • Purity numbers without proof

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How Peptides are Analytically Verified

Peptides are verified using: HPLC for purity profiling Mass spectrometry for identity confirmation Visual chromatogram inspection These methods confirm identity, not function.

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Why storage conditions affect analytical integrity

Temperature, light, and moisture can alter analytical profiles over time. Proper lab storage preserves integrity for analysis.

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