can you have vitamin b12 injections when pregnant How to Give at Home to Yourself · PA Relief How Quickly Does Vitamin B12

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Oral Supplements : Oral supplements are widely available, and research suggests that, at high doses, they can be just as effective as injections for correcting deficiency[21], making them a viable alternative for many individuals

Vitamin B12 shots can be a beneficial addition to anyones diet, but they are especially advantageous for those with a B12 deficiency

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)

The strongest data comes from Harshini Neelakantan, Stan Watowich, and colleagues at the University of Texas Medical Branch (UTMB)