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can vitamin b12 injections have side effects How Long Do The Of Last Why do I feel so bad after a B12 injection? Vitamin B12 Injections: Good or
Description
Summary: Both methylcobalamin and cyanocobalamin effectively treat B12 deficiency, with cyanocobalamin being more stable and cost-effective whilst methylcobalamin is bioactive without requiring conversion
They go directly into the bloodstream and begin working almost immediately
Athletes sometimes ask about B12 for performance
Importantly, this does not automatically mean injections oral supplements are appropriate for the majority of older adults
