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Age Studies show that people who are over the age of 50 may struggle to store vitamin B12 due to a decrease in the production of stomach acid and inflammation of the stomach
It is best to limit caffeine intake for a few hours after a B12 shot to ensure optimal absorption
Before taking, speak with your doctor if you are allergic to vitamin b12, have a genetic condition called optic atrophy, have blood in your urine, polycythemia, an ongoing infection, low iron or folate levels, are pregnant or plan to become pregnant, are breastfeeding or plan to breastfeed
Saxton, R
Preservative Integrity: Benzyl alcohols effectiveness relies on stable conditions
