IMAGE SOURCES
An image with a traceable origin.
Authentic label artwork and reference structures are credited to their sources. Contextual photographs are labelled as context, not product or batch evidence.
Contextual laboratory photography
Rhoda Baer / National Cancer Institute — researcher using a pipette (public domain). Used as laboratory context; no affiliation or endorsement is implied.
Reference images
DailyMed / NLM supplies the authentic product-label artwork. PubChem / NCBI supplies the exact reference structures. These are identification references, not photographs of PeptideC stock. The linked record and caption state what each image represents.