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Inclusion criteria were a history of TG for gastric cancer irrespective of receiving neoadjuvant chemotherapy or postoperative adjuvant chemotherapy and level of vitamin B12 below 180 pg/ml regardless of vitamin B12 deficiency related symptoms

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Other Peptides of Interest Cerebrolysin: The Most-Studied Cognitive Peptide—Yet Not FDA-Approved Cerebrolysin presents a regulatory paradox: it has more clinical trial data than any other cognitive peptide, is approved in over 50 countries, has been used clinically for decades—yet remains unavailable in the United States

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