where to self inject b12 injection sites How Give a B12 Injection: Step-By-Step Instructions Best Vitamin B12 Injection Sites:

Most people notice a small boost in energy within a few days, but it can take 12 weeks to feel a clear and steady improvement

The 2024 NICE guideline NG239 sets out a more intensive loading schedule for patients with neurological involvement precisely because their starting point is worse

Vitamin B12 injections are primarily used to: Treat or prevent vitamin B12 deficiency Manage pernicious anemia Support patients with malabsorption disorders Aid those with dietary restrictions, such as vegans or vegetarians Offset vitamin loss due to medications like metformin or proton pump inhibitors (PPIs)

Repeat in 7 days if required