Most patients do well with B12 injections, but its good to know about possible side effects, says a top expert in vitamin B12 therapy
(2000) Metabolic Studies of a Synthetic Lipolytic Domain (AOD9604) of Human Growth Hormone Horm Res 53(6):274278
Potassium replacement therapy should be administered if necessary (10, 13)
If youve been diagnosed with a vitamin B12 deficiency, be prepared to need shots for at least a month or two before noticing major improvements

Uses Of NEUROBION FORTE RF Helps manage Vitamin B12, B6, and B3 deficiencies in the body Supports the treatment of peripheral neuropathy and nerve-related pain Helps reduce symptoms such as numbness, tingling, and burning sensations in nerves Supports recovery in conditions like sciatica and carpal tunnel syndrome Aids in nerve repair and improves overall nerve function Used when oral Vitamin B therapy is not suitable or effective Beneficial in critically ill or ICU patients with severe nutritional deficiencies Helps improve energy metabolism and supports neurological health Supports overall recovery in vitamin B deficiency-related conditions Benefits of NEUROBION FORTE RF Helps Manage Nerve Pain and Peripheral Neuropathy Neurobion Forte RF Injection helps in the management of peripheral neuropathy by reducing nerve-related pain, tingling, numbness, and burning sensations