can b12 injections cause heart palpitations

https://cdn.prod.website-files.com/69eb91d25143aa601cfa2ef0/6a1f4142ed0df2c4e7551037_EOS-Semaglutide-B12-Product-Card.jpg CYANOCOBALAMIN INJECTION, USP 30000 mcg/30 mL (1000 mcg/mL) 30 mL VIAL C-Litter+Cleaning Higher concentrations would be more effective at preventing bacterial growth but would cause tissue irritation at injection sites Size:1,000 mcg

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