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Identity is confirmed by LC-MS, purity is measured by HPLC with UV detection, bacterial endotoxin is tested using a Limulus Amebocyte Lysate assay in accordance with USP , and microbial contamination is screened with a validated polymerase chain reaction assay
Common Causes of B12 Deficiency Not getting enough B12 can happen for several reasons
Your gut absorbs B12 through two separate pathways
PubMed laboratory research record [PMID: 11240695] PubMed record related to this compound for laboratory literature review
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