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how do b12 injections compare to oral supplements Efficacy of different routes of vitamin supplementation for the treatment of patients with vitamin B12 deficiency: A systematic review and network meta-analysis B12 Injection vs. Oral Supplements:
Description
Frequent headaches

The Bottom Line Vitamin B12 is one of the most important nutrients during pregnancy

Education and self-management

According to StatPearls , patients with pernicious anemia require lifelong vitamin B12 injections and may want to consider dietary changes for B12 deficiency
Key Benefits

Whatever isnt needed will be excreted in your urine
