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Hypokalaemia (low blood potassium) in the first weeks of loading-dose treatment in patients who started severely deficient
J Am Diet Assoc
Long-term use should be approached cautiously because some patients report mild side effects like nausea or injection site discomfort, and research on prolonged use is limited. To minimize the risk of adverse reactions, always get the injections from a registered physician
People taking high-dose B12 supplements (1,000 to 5,000 mcg daily), receiving B12 injections (cyanocobalamin or methylcobalamin), or consuming heavily fortified foods can easily push their serum levels above 900 pg/mL
Supports red blood cell production and overall metabolic health
The quality and source of the B12 solution can impact pricing, with FDA-compliant facilities potentially charging more due to strict quality control measures
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