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Homocysteine is a naturally occurring amino acid that the body produces during the methylation process
The peptide enters the bloodstream directly regardless of digestive state
For example, a person might be B12 deficient because of stomach and digestion issues, cancer, infections, or poor nutrition
Copper-catalyzed oxidation of methionine and histidine side chains is well-documented chemistry, as is copper-mediated cleavage of a peptide backbone at coordination sites
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