Vascular studies have already shown, fasting and calorie restriction increase nitric oxide and reduce oxidative stress, healing the endothelium. And now researchers say a restricted diet could reverse MS.
Here's more info on the Fasting Mimicking Diet (FMD) from its creator, Dr. Valter Longo of USC. Consult with your own physician. https://news.usc.edu/82959/diet-that-mimics-fasting-appears-to-slow-aging/

A calorie-restricted diet which mimics the effects of fasting may reverse the symptoms of multiple sclerosis and help repair the damage caused by the disease. Scientists are so excited about the finding that they are moving to large human trials and are already recommending it for very ill patients…