i stoped taking the meds for my mg and started taking vitiam d 10,000 iu a day with vitiam k2 -mk7 now for 2 months and i have no more dubble vision or problems with talking or eating looks like so far i am doing great and i am back in my work shop building furnature. i am 78 years old and still going strong i hope this info helps i did not do this with a doctor i found everything on line serchung for long time. vitaim d is one of the most inporting vitiams for the body