Neurobion Injection is a medicine for treating nutritional deficiency. Nutrients play a very important role in the overall well-being of a human being. When you do not get the required amounts of minerals or vitamins, you will have a nutritional deficiency. Due to this deficiency, one may have to face several health conditions. It is a long-term condition and should be treated with proper medication. When you are not eating food that can provide sufficient nutrition to the body, this is the primary deficiency. But if your body is not able to absorb vitamins or minerals, that is a secondary deficiency.