Acetyl L-Carnitine & Alpha Lipoic Acid have both been studied recently as an agent that impacts mitochondrial functions, which is thought to play a significant role in peripheral nerve injury related pain. It can improve neuropathic pain, particularly stomach pain due to damage of the vagus nerve.*
Fish Oil / Omega 3 Fatty Acids have also been shown to have an integral role in the health functioning of nerves and showing improvement of painful symptoms of neuropathic pain.*
* Talk to your Health Care Provider about the recommended dosages and do your own online research.