too much vitamin b12 injections side effects Are Shots Safe? Royal Palm Beach Medical Group Feeling worse after B12 Injection:

Clinical presenting features of the condition include those relating to anaemia (e.g., pallor, weakness, and fatigue), gastro-intestinal symptoms (e.g., epigastric pain and glossitis), neurological symptoms (e.g., from numbness of extremities and impaired proprioception in subacute combined degeneration of the spinal cord to severe developmental delay, epilepsy, and coma in inherited intracellular cobalamin defects), psychiatric disturbances and neural tube defects in the newborn of a deficient mother (Molloy et al., 2009)

Vitamin B12 injections work well in combination with MIC injections.

[DOI] [PubMed] [Google Scholar] 38.Hackl H, Burkard TR, Sturn A, Rubio R, Schleiffer A, Tian S, Quackenbush J, Eisenhaber F, Trajanoski Z

Individuals with Gastrointestinal Disorders: Such as Crohns disease, celiac disease, atrophic gastritis, or those who have had gastric bypass surgery or other stomach/intestinal resections, which can interfere with B12 absorption

This is a one-time injection