Eddoes contain small amounts of several vitamins and minerals. A 1-cup serving has 8 percent of the recommended daily intake of vitamin C, 4 percent of calcium, 2 percent of vitamin A and 3 percent of iron. The recommended daily intake for vitamin C is 75 milligrams for women 19 years and older, and 90 milligrams for men in this same age group. Adults 19 to 50 years old should get 1,000 milligrams of calcium a day. However, women over 50 should up this amount to 1,200 milligrams. Males aged 14 and older should get 900 micrograms of vitamin A, and females in this age group should get 700 micrograms per day. Lastly, both men and women should get at least 15 milligrams of iron daily.