This complex process means that conditions affecting the stomach or intestines can significantly impair B12 absorption, including pernicious anaemia, atrophic gastritis, previous gastric surgery, coeliac disease, Crohn's disease, and long-term use of certain medications (such as metformin, proton pump inhibitors, and H2 antagonists)
Results vary based on your current B12 levels and overall health
Warnings: Allergic Reactions: Do not use in patients with known vitamin B12 hypersensitivity
Was she anaemic
Frequent injectionsoften given every other day or weeklybypass the digestive system to rapidly flood the body with B12 [1] [2]
If you already have a diagnosed deficiency under NHS care and your symptoms return before your next scheduled dose, that is a conversation to have with your GP, who can review the schedule