#provenance
3 pieces tagged provenance.
- Sourcing and provenanceWhere research peptides are made, and what USA-made meansMost research peptides are synthesized by contract manufacturers, many of them in China, some in Europe and the United States. What each step of the chain is, what a 'USA-made' label can legally mean, and what a chain-of-custody record should contain.
- Sourcing and provenanceImport Alert 66-41: why overseas peptide orders get detainedWhat an FDA import alert is, what 'detention without physical examination' means, what Import Alert 66-41 actually covers, what the notices say, and the 5,000-shipment Cincinnati case, from FDA's and CBP's own records.
- Sourcing and provenanceHow to vet a peptide vendor with documents, not with forumsA document-by-document checklist for judging a research peptide supplier: lot-specific certificates, identity as well as purity, net peptide content, a named manufacturer and a verifiable laboratory.
Nothing here is medical advice. Everything on this site is supplied for laboratory research use only.

