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While Vitamin B12 can be supplemented through diet or oral supplements, injections offer superior absorption
Note that every evidence entry refers to preclinical data
Your small intestine adds trypsin, chymotrypsin, and other proteases that further break down peptide chains
Presented for research literature review only Klein C et al
Stereochemistry of glyoxylate oxidation by NAD and mammalian lactate dehydrogenase [PMID: 4318596] Laboratory literature summary: Stereochemistry of glyoxylate oxidation by NAD and mammalian lactate dehydrogenase
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