What is the RDA of calcium for children ages 4-8?

The recommended dietary allowance (RDA) for calcium for children ages 4 to 8 is established to help support their rapid growth and development during these formative years. This age group has increased calcium needs to support bone health and development, as bones are growing and mineralizing at a fast rate. The correct value of 1000 mg/day reflects the importance of adequate calcium intake to promote strong bones and reduce the risk of future osteoporosis and fractures. This RDA is based on ensuring that children's calcium intake supports not only bone health but also various metabolic processes that are crucial during early childhood.

The importance of meeting the RDA for calcium in this age group cannot be overstated, especially since they are laying down the foundational bone density that will last throughout their lives. While the other options suggest different amounts, they do not align with the established recommendations set forth by health authorities based on research and nutritional guidelines tailored for this specific developmental stage.