can you od on b12 injections Vitamin Guide: Forms, Dosage, and When to Worry About Too Much How to Give B12 Injections

If you have neurological symptoms (pins and needles, numbness, balance issues), severe fatigue, unexplained weight loss, chest pain, breathlessness, or symptoms that are worsening, you should seek medical assessment promptly.

Adults who have difficulty absorbing B12 through oral supplements or diet, including those with digestive issues or dietary restrictions

Pregnancy and Lactation B12 Requirements Pregnant and nursing women need more B12 because of their babys needs

As people age, they sometimes have trouble absorbing vitamin B12, even when taking pills by mouth, Dr

Thats because utilization of vitamin B12 (especially from supplements) depends on levels of other metabolic cofactors and acids