does b12 injection cause insomnia The independent association between vitamin and in Chinese patients with type 2 diabetes mellitus: a cross-sectional study Association of Vitamin B12 Levels

Other reported effects include: Headaches and dizziness Nausea and gastrointestinal discomfort Allergic reactions to B12 formulations (rare) If you experience symptoms suggesting a severe allergic reaction (difficulty breathing, severe rash, swelling of face/throat), seek emergency medical attention immediately by calling 999 or attending A&E

Gastrointestinal conditions Some gastrointestinal conditions may affect how vitamin B12 is digested or absorbed, such as: history of gastrointestinal surgery celiac disease Crohns disease pernicious anemia infections, such as from Helicobacter pylori bacteria or parasites pancreatic insufficiency or cancer bowel cancer folic acid deficiency small intestinal bacterial overgrowth Vitamin B12 injections may be more helpful for people with gastrointestinal conditions than oral products

Did You Know Vitamin B12 Shots Can Help You Lose Weight

Impact of a high-fat diet on tissue acyl-CoA and histone acetylation levels