Because it dissolves in water, your body uses what it needs and passes much of the excess in urine
Several factors influence the choice of needle and syringe: Type of injection : Intramuscular (IM) or subcutaneous (SC) Gauge of the needle : Diameter of the needle Length of the needle : Determines the depth of injection Volume of the syringe : Determines the amount of B12 to be injected 3
Conversely, B12 deficiency may have an effect on metabolism that plays a role in obesity
Certain medical conditions like Crohn's disease or atrophic gastritis can hinder absorption, increasing the risk of deficiency
These have been shown to be associated with improved outcomes after IVF and other assisted reproduction technologies (ART)
However, many people struggle to get enough vitamin B12 through diet alone, especially those who follow vegetarian or vegan diets, as plant-based foods generally lack the vitamin