The calcium content of a boiled large egg, which is about 50 grams, contains 25 milligrams of calcium, according to the USDA. This egg serving portion provides many minerals and vitamins, such as vitamin A, thiamin, zinc and iron. This boiled egg can also provide 6.29 grams of protein.
In terms of energy, one large egg provides 78 kilocalories. However, the total fat content in this portion is 5.30 grams. Similarly, there is no fiber in eggs.
Calcium is important for strong bones and teeth. To avoid calcium deficiencies, people should ensure they meet the recommended dietary allowance of calcium. For example people in the age range of 19 to 30 years should have 1,000 milligrams of calcium per day, according to the National Institute of Health.