<Tr> <Td>> 51 years </Td> <Td> 1000 </Td> </Tr> <Tr> <Td> Pregnancy </Td> <Td> 1000 </Td> </Tr> <Tr> <Td> Lactation </Td> <Td> 1000 </Td> </Tr> <P> The U.S. Institute of Medicine (IOM) established Recommended Dietary Allowances (RDAs) for calcium in 1997 and updated those values in 2011 . See table . The European Food Safety Authority (EFSA) uses the term Population Reference Intake (PRIs) instead of RDAs and sets slightly different numbers: ages 4 - 10 800 mg, ages 11 - 17 1150 mg, ages 18 - 24 1000 mg, and> 25 years 950 mg . </P>

Where are calcium ions found in the body and what happens if you have too much calcium ions