Eggs are among the most nutritious foods on the planet. A whole egg contains all the nutrients required to turn a single cell into a baby chicken. A single large boiled egg contains (1): •Vitamin A: 6% of the RDA. •Folate: 5% of the RDA. •Vitamin B5: 7% of the RDA. •Vitamin B12: 9% of the RDA. •Vitamin B2: 15% of the RDA. •Phosphorus: 9% of the RDA. •Selenium: 22% of the RDA. •Eggs also contain decent amounts of Vitamin D, Vitamin E, Vitamin K, Vitamin B6, Calcium and Zinc.