1000 mcg b12 injection monthly Vitamin for Cyanocobalamin 1,000 mcg, 25/Box (Rx) — Mountainside Medical 12 per dose Contains a sterile vitamin B Vitamin B12 Injection: Energy Boost

This may result in sense loss, difficulty in proprioception, neuropathic pain, difficulty walking, poor balance, loss of sensation in the feet, muscle weakness, blurred vision (either due to retinopathy [27] or optic neuropathy [28] ), impaired urination, fertility problems, decreased sense of taste and smell, decreased level of consciousness, changes in reflexes, memory loss, mood swings, depression, irritability, cognitive impairment, confusion, anxiety, clumsiness, dementia, and, in more severe cases, psychosis

Chemcobal 2500mcg Injection is generally safe and does not usually cause any common side effects

As the deficiency may be indistinguishable for either of these essential vitamins, they are often grouped in one product for therapeutic and preventive use

Nutr Metab (Lond) 8:41

Practical factors matter: cost, access, and monitoring