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The high concentrations delivered directly into the vein can cause sudden shifts in the bodys chemistry
However, deficiency is common, especially in people with low stomach acid, digestive conditions, vegan or vegetarian diets, or age-related absorption decline
Absorption: Conditions like celiac disease, IBS, or pernicious anemia can affect how your body takes in B12
HPLC + mass spec, Janoshik
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In the absence of specific vaccines and anti-SARS-CoV-2 drugs, medicines that may reduce the severity of the disease and limit the high number of fatalities are urgently needed
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