The wrong approach can accelerate muscle loss and reduce adherence
[6] [2] [3] Severe vitamin B 12 deficiency can damage nerve cells
High-Dose Oral B12 Protocols Oral B12 supplements are getting more attention
If itching or irritation persists, consider using an over-the-counter anti-itch cream with hydrocortisone, or discontinue use
For some, particularly those with permanent malabsorption issues, injections are a regular, lifelong requirement, typically lasting between two to three months per dose
Most people get enough vitamin B12 in their diet, but a deficiency may occur in certain health conditions (e.g., poor nutrition, stomach/intestinal problems, infection, cancer)