If you started with very low levels, the early days may feel more noticeable than they would for someone simply maintaining
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Serious side effects are rare but can happen in some people
Vitamin B12 deficiency can indicate various underlying issues, including cancer, but its important to recognize that cancer is not the most common cause, says Tanya ter Keurs, a Nurse Practitioner and NiaHealths Co-Founder and Clinical Director
We offer injections in multiple forms because not everyone metabolizes B12 the same way, and the form actually matters more than most patients realize
Strategies that help include having a small amount of water before injection, waiting 15-20 minutes after injection before engaging in strenuous activity, and gradually adjusting to the morning fasting window if this is new to your routine