Difference between vitamin D2 and D3 on: May 12, 2021, 08:27:07 pm #1 From Medical News Today (May 12, 2021)--"What Is the Difference between Vitamin D2 and D3?" Vitamin D2 vs. D3: Differences, benefits, sources What is the difference between vitamin D2 and D3? Read on to learn the differences, including which foods are high in vitamin D2 and D3. 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.