Always consult a healthcare professional before starting any new supplementation regimen, especially if you have pre-existing medical conditions
longer-term storage at -20C to -80C depending on institutional standards
nice.org.uk/guidance/ng239/
Within sensible limits, the basics help your body hold its levels: a diet that includes B12 sources if you are not vegan, limiting heavy alcohol use, and not smoking, since both affect how you absorb and store nutrients
Curr Opin Nephrol Hypertens
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