Neuro Vital Dietary Supplement Vitamin B12 helps to maintain a healthy nervous system and has an important role in protein metabolism in your body. It also prevents vitamin B12 deficiency, stops Pernicious Anemia and improved red blood cell production. Vitamin B12 helps with red blood cell formation. Prevents Pernicious Anemia. Help metabolize fats and aminoacids. Improves Nervous System Health. Helps Break down Proteins in your body.