is oral replacement better than injectable b12 Vitamin Injections Vs Medication B12 Injections vs. Oral Supplements:
Description
Its essential to be aware of these and seek medical attention if they occur

If you miss a scheduled dose of your Cyanocobalamin injection, contact your healthcare provider for instructions

consistency is key

When adverse effects occurred, they were typically mild and transient, with the most common being mild to moderate headaches (similar frequency to placebo groups), minor injection site reactions (redness, slight swelling), and gastrointestinal effects at higher oral doses (nausea, diarrhea)