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We make less and less of it with age
doi:10.1016/j.exger.2024.112522 PEPTIDES PREFER THE COLD Keep peptide vials refrigerated at all times to reduce peptide bond breakdown
In that case, a physician might prescribe large doses to correct the deficiency, followed by a lower maintenance dose. If you do require a vitamin B12 supplement, follow this advice from our experts: Seek out methylcobalamin
Presented for research literature review only Kralj T et al
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