Vitamin B12 plays an indispensable role in several vital biological processes: Nervous System: It is essential for the synthesis of myelin, the protective sheath around nerve fibres
If blood tests show clearly low levels (thresholds vary by lab, but often below roughly 200 pg/mL) or there are signs of anemia, a provider may recommend weekly injections for the first several weeks as a correction or "rescue" phase
Normal methylation cycles absolutely depend upon adequate levels of vitamin B12 as well as other key nutrients such as folate, riboflavin, B6, niacin, magnesium, and zinc
Heavy drinking can impair the ability of immune cells to travel to infected areas of the body, leading to a potentially worsened infection, among other possible complications
Room temperature storage becomes practical for patients who inject weekly and will finish the pen before the 28-day window closes