B1, B6 and B12 work best together. They have a synergistic effect in treating causes of neuropathic pain. - B1 protects the nerves from oxidative damage - B6 regulates neurotransmitters for reduction of pain - B12 regenerates and repairs damaged nerves. Together, they’re the ultimate combo. YOU CAN GET THESE VITAMINS FROM FOOD. Food sources of Vitamin B1 include: Meat, fish, beans, nuts, lentils etc Food sources of Vitamin B6 include: Fruits like bananas and avocados, Vegetables like spinach and kale. Food sources of Vitamin B12 include: Beef, liver chicken, fish and shellfish, beans, peas and diary. These vitamins are found in most foods, and you can get enough of them if you eat a healthy and balanced diet.