This range may be optimal, according to some research, given its association with improved cognitive function
Dizziness or Lightheadedness: In rare cases, individuals may experience dizziness or lightheadedness after receiving a B12 injection
For individuals significantly above 250 pounds, extended protocols of 16-20 weeks rather than higher daily doses often produce better outcomes
This content does not imply safety, efficacy, or intended use
Common indications include: Pernicious anaemia an autoimmune condition where the stomach cannot produce intrinsic factor, a protein necessary for B12 absorption [8] [9] Malabsorption disorders including Crohn's disease, coeliac disease, or following gastric surgery Strict vegan or vegetarian diets with confirmed deficiency though high-dose oral B12 may be sufficient if no malabsorption exists Certain medications such as metformin or proton pump inhibitors that may interfere with B12 absorption [9] [10] Neurological symptoms including peripheral neuropathy, memory problems, or balance difficulties related to deficiency Diagnosis should be confirmed through blood tests measuring serum B12 levels, full blood count, folate, and often anti-intrinsic factor antibodies
Many people who get vitamin B12 shots for weight loss report the happy dual effect of a better mood and the ability to focus for more extended periods of time