any side effects of b12 injections How Long Does a Shot Last? B12 Injection Side Effects -

Cyanocobalamin, whilst still used in some settings, is cleared from the body more rapidly, typically requiring more frequent administration

Oral Supplements Oral B12 supplements are convenient and effective for many patients, especially those with low B12 intake due to dietary choices (e.g., vegetarians or vegans), older adults, or those with no significant absorption issues

Together, these components work to support energy metabolism, promote healthy liver function, and assist the body in processing and removing fat

Medications : Some medications, such as metformin and proton pump inhibitors, can interfere with B12 absorption, necessitating more regular injections