what b12 injections used for Sandoz Vitamin Injectable Solution - 1000 mcg/10 mL Why Do You Need B12

the standard route for this molecule is oral

According to previous investigations, vitamin B12 deficiency causes various health issues, including anemia, dementia, neuropathy, and myelopathy

Although vitamin B12 is water-soluble and excess amounts are typically excreted in the urine, the body still stores significant quantities (primarily in the liver) with its levels continuously regulated

Saudi Medical Journal 33 (2): 160166

Then actually felt worse until around 2-3 days after my first 3 monthly one, but that only lasted for 2 days, then felt terrible again until 2-3 days after my second 3 monthly injection, but again, for only 2 days, then terrible again