| Feature | Real Peptides | Blue Sky Peptide (Pre-2022) | Professional Assessment | |||| | Synthesis Method | Solid-phase peptide synthesis (SPPS) with Fmoc chemistry, small-batch production | Synthesis methodology not publicly disclosed | Real Peptides provides synthesis transparency that allows researchers to assess peptide quality before ordering | | Purity Verification | Batch-specific HPLC + mass spectrometry, published CoA per lot, endotoxin testing via LAL assay | CoA available on request, limited chromatogram detail, no published endotoxin data | Real Peptides' per-batch verification meets institutional review standards for peer-reviewed research | | Regulatory Compliance | GMP-aligned manufacturing, facility environmental controls, contamination prevention protocols | Manufacturing facility certifications not disclosed | Real Peptides maintains pharmaceutical-grade standards adapted for research use | | Cold-Chain Handling | Temperature-monitored cold packs in every shipment, packaging designed for 72-hour transit | Standard ground shipping common, no consistent cold-chain protocol | Real Peptides prevents thermal degradation during transit
If enough people say it loudly enough, it must be true right
Blasi, E
The water runs down the glass and pools beneath the powder, which then dissolves from the bottom up
Then, you might need them every two to four weeks after that
A vial you punctured once in January and forgot about is expired by February, even if it looks untouched and is still nearly full
