who shouldn t have b12 injections Do Help with Fatigue and Low Energy? How Often Should You Get

European Journal of Clinical Nutrition

Here are some other ways to reduce discomfort, if needed (Usach, 2019): Ask your healthcare provider if you can apply a topical anesthetic, like benzocaine, before injection

Vitamin B12 or folate deficiency anaemia can cause a wide range of symptoms

Individuals with a history of gastrointestinal surgery or disorders such as Crohns disease, celiac disease, or pernicious anemia may have difficulty absorbing adequate amounts of B12 and folate from their diet, and may require supplementation

Wounds like diabetic skin ulcers and bedsores often develop something called a wound serum that contains such enzymes