bpc 157 rat study Frontiers Gastric Pentadecapeptide BPC 157 and
Description
Detection of cobalamin deficiency using the urinary methylmalonic acid test by gas chromatography mass spectrometry

Science 294 , 23682371 (2001)

doi:10.1136/bmj.285.6337.264

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Foods rich in vitamin B12 include meat, dairy products, and fortified cereals

If you leave a vial out at room temperature for a few hours, subtract days from the expected shelf life