What is the difference between a compound and a molecule? A compound is a substance that is composed from two or more different elements. Water (H 2 O), table salt (NaCl), carbon dioxide (CO 2), methane (CH 4) and chlorophyll (C 55 H 72 O 5 N 4 Mg) are a few examples of compounds. They are compounds because they each contain more than one kind of element.
Recommended Daily Intake for Optimal Health. Based on the most recent research, the current recommendation is 35 IUs of vitamin D per pound of body weight. So for a child weighing 40 pounds, the recommended average dose would be 1,400 IUs daily, and for a 170-pound adult, the dose would be nearly 6,000 IUs.
The new assessment recommends a daily vitamin D dietary allowance of 600 milligrams for most healthy people 9 years and older (with an estimated average requirement of 400 International Units per dayâand no more than 4,000 IU of vitamin D per day).he new assessment recommends a daily vitamin D dietary allowance of 600 milligrams for most healthy people 9 years and older (with an estimated average requirement of 400 International Units per dayâand no more than 4,000 IU of vitamin D per day).