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Not to mention its safety

The Chemistry of Copper Peptide Copper Peptides are a unique combination of copper ions and amino acids

[DOI] [PubMed] [Google Scholar] Petershansel C., Horst I., Niessen M., Blume C., Kebeish R., Krkcoglu S., Kreuzaler F

& Burkart, V

"Ergothioneine is very heat stable," said Beelman

J Clin Invest 2003
