People with symptoms of vitamin B12 deficiency It is a good idea for anyone with the following signs and symptoms of a vitamin B12 deficiency or pernicious anemia to consult a doctor: People with gastrointestinal issues Conditions that affect the gastrointestinal tract may affect vitamin B12 release or absorption, including: pernicious anemia, which can lead to gastric atrophy, or damage to the stomach fish tapeworm infestation bowel or pancreatic cancer folic acid deficiency overgrowth of bacteria in the small intestine diabetes thyroid disease Crohns disease celiac disease chronic pancreatitis People who have undergone gastrointestinal surgery, including weight loss, may have fewer cells necessary to secrete stomach acid and intrinsic factor
Uncommon (1-10 in 1,000): itching, rash, acne-like skin changes, joint pain
For patients who are naturally B12 deficient, more frequent injections about once a month may be ideal
They are available in various intensities, from ten to one thousand micrograms
Their effects and safety profiles can also vary
7-Day Support: Email, phone, or text support from our research team, including weekend coverage for urgent protocol questions