RDA upper limit etc for Vitamin D and Magnesium

An excellent article by Bill Sardi Sept 2011

Which Nutrition Chart Should You Rely Upon: The RDA, RDI, AI, EAR or DV?

Or, How Much Nutrition Do You Really Need?

See also VitaminDWiki

• Overview Magnesium and vitamin D

• RDA, EAR, UL, RDI, AI, UL, and SONA described

• Recommended levels of vitamins and minerals - history RDA DRI

• All items in category Magnesium and Vitamin D items