The body needs more time to restore B12 stores before showing any improvement when starting from a very low initial B12 level
That storage is one reason people with a deficiency sometimes feel the benefit for a longer window than someone using shots for simple upkeep
Signs You May Have a B12 Deficiency B12 deficiency can cause a variety of symptoms, including fatigue, headaches, depression, pale or yellow skin, mental impairment, and pain and inflammation of the mouth and tongue
In our comprehensive guide, B12 Shots & B12 Injections: The Good, Bad and Alternative! we address the possibility of experiencing an unusual or allergic reaction to B12 injections, detailing the signs, symptoms, and steps to take if such a reaction occurs, ensuring safety and informed decision-making regarding B12 supplementation methods