Mostly yes but peptides isnt one thing, and the honest answer depends on the specific peptide and how you get it
Vitamin C (ascorbic acid) can oxidize copper
[DOI] [PubMed] [Google Scholar] 62.Kather S., Sielski L., Dengler F., Jirasek A., Heilmann R.M
Together, these peptides are commonly explored in research protocols focused on skin signalling, regenerative pathways, recovery optimisation, and inflammatory-response mechanisms
This compatibility is one reason the two peptides are often combined in preclinical models: they target overlapping but distinct pathways, with BPC-157 more focused on tendon, ligament, and gastrointestinal healing, and TB-500 on muscle regeneration and vascular growth