Before you can open a SHP file, you'll need to figure out what kind of file the SHP file extension refers to. Tip: Incorrect SHP file association errors can be a symptom of other underlying issues within your Windows operating system.
RDA for Calcium. According to the Institute of Medicine, the recommended dietary allowance for calcium for healthy males between the ages of 19 and 70 years is 1,000 milligrams per day. The recommendations increase to 1,200 milligrams for males after age 70. Vitamin D is also essential for absorption of calcium, and the RDA for vitamin D for men between ages 19 and 70 is approximately 600 IU per day and 800 units per day over age 70.
Here's how much calcium and vitamin D you need every day, according to the Institute of Medicine. Calcium. 1  Children 1-3 years old: 700 milligrams (mg). 2  Children 4-8 years old: 1,000 mg. 3  Children 9-18 years old: 1,300 mg. 4  Adults 19-50: 1,000 mg. 5  Women 51 to 70: 1,200 mg. 6  Men 51 to 70: 1,000 mg.