Gabaneuron 300 Tablet is a medication that is primarily used to treat neuropathic pain, which is a type of pain that is caused by nerve damage. It contains two active ingredients, Gabapentin and Methylcobalamin. Gabapentin works by reducing the abnormal electrical activity in the brain and nerves that cause pain, while Methylcobalamin is a form of vitamin B12 that helps to regenerate damaged nerves and improve nerve function.