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Re-ingestion allows for absorption of nutrients made available by bacterial fermentation, and also of vitamins and other nutrients synthesized by the gut bacteria, including vitamin B 12
It is not necessary to withhold vitamin B12 therapy until the precise cause of B12 deficiency is established since absorption studies can be performed at any time
References PubChem search: AHK copper peptide PubMed: Ala-His-Lys copper peptide PubMed: copper peptides and extracellular matrix Research-use notice: Supplied strictly for lawful research, laboratory, analytical, educational, or R&D purposes where permitted by applicable law
Vitamin B12, a unique member of the Vitamin B complex, stands out due to its complex structure and the necessity of intrinsic factor for its absorption
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