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Confirm expiration date is clearly printed and at least one year out

Loufrani, L., Henrion, D., Chansel, D., Ardaillou, R., and Levy, B
It falls under cosmetic regulation (EU 1223/2009)
B12 tablets must pass through the digestive system, which leads to much poorer absorption rates

[PMC free article: PMC5372933] [PubMed: 28287490] 29

Chelakkot et al., 2018)
