In addition, Neurobion can help in reducing neurological symptoms such as tingling, numbness, burning, and muscle pain and weakness caused by many diseases
High doses, often used to treat deficiencies, may lead to: Headaches, nausea, vomiting, and diarrhea Fatigue or muscle weakness Skin reactions such as rashes or itching Tingling or numbness in extremities Dizziness and, in severe cases, pulmonary edema and congestive heart failure Rare conditions like polycythemia vera, a slow-growing blood cancer In extremely rare cases, vitamin B12 can cause serious allergic reactions (anaphylaxis), characterized by facial swelling, difficulty breathing, and swallowing issues
Also, it aids in maintaining the nerve cells and is a component in DNA construction
Then theres the placebo effect
Studied in obesity and metabolic syndrome research for weight management support