Higher vitamin D levels in progressive MS patients may help protect myelin on: September 11, 2019, 09:23:47 pm #1 From Multiple Sclerosis News Today (August 30, 2019)--"Higher Vitamin D Levels in Progressive MS Patients May Help to Protect Myelin, Study Suggests": Higher Vitamin D Levels in Progressive MS Patients May Help to... A analysis of trial data on 267 SPMS and PPMS patients indicates that higher blood levels of vitamin D relates to better "myelin integrity." Multiple Sclerosis News Today · bit.ly Logged MS Speaks--online for 20 yearsSPMS, diagnosed 1980. Avonex 2001-2004. Copaxone 2007-2010. Glatopa (glatiramer acetate 40mg 3 times/week) 12/16/20 - 3/16/24.