can you overdose on vit b12 injections Vitamin & Toxicity: Too Much Can't Kill · PA Relief Dose Awareness: Signs of B12

Vitamin B-12 plays a crucial role in various bodily functions, including the production of red blood cells, DNA synthesis, and proper nerve function

A study conducted in 2016 thus came to the following conclusion: If we had restricted the treatment of symptomatic patients to patients with both low serum levels and elevated metabolite levels, 63% of patients who responded well to the therapy would not have received treatment [] Only 16% of patients with good clinical improvement from vitamin B12 therapy had low serum levels and 54% of patients with good clinical improvement from vitamin B12 therapy had serum levels higher than 300 pg/mL. Some experts thus advise high-dose B12 treatment to treat all known nervous symptoms associated with B12 deficiency

Any discomfort typically resolves quickly with minimal aftercare needed

However, translating mouse fat metabolism data to human outcomes requires substantial caution