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To put that in perspective, you'd need massive amounts of oral supplements to come close to these therapeutic doses - and most wouldn't make it to your cells intact

What a credible Certificate of Analysis contains A research-grade CoA should list: Lot number Synthesis date Peptide content and net peptide weight HPLC purity percentage with chromatogram Identity confirmation (MS or MS/MS) Bacterial endotoxin result in EU/mg by LAL Residual solvents where relevant Appearance and storage conditions Many UK research peptide vendors publish purity and identity but omit an explicit EU/mg endotoxin figure

Heart and vessels 21 (1), 3337

Biochem Soc T 24: 10231027