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the serum B12 concentration of a given person may be 240 pmol/l with one assay, and 440 pmol/l with a different assay There is also considerable variability with just one and the same serum B12 assay

Ascletis (7 April 2026)

Always check product instructions and patch test first if your hair or scalp are very sensitised

Their function and therapeutic activity are linked to their ability to exchange hydrogen ions with other molecules in physiological conditions

2) (References in Table 2: Ahmad et al., 2024[5]

One for drawing and injecting the BAC water into the vial, and a separate one for administering your research doses