A US national survey, NHANES 1999-2000, found that adolescent boys and girls aged 14 to 18 years had average intakes of 7.5 mg/day and 5.7 mg/day of α-tocopherol, respectively. Moreover, 92% of adolescent boys and more than 99% of adolescent girls of this age group had daily intakes below the EAR of 12 mg/day (74).
Major Minerals. Needed in amounts greater than 100 milligrams per day. Include calcium, phosphorous, magnesium, sodium, potassium, chloride, and sulfur. Like fat-soluble vitamins, excess amounts of minerals are stored in the body and can gradually build up to toxic levels. An excess of one mineral can also interfere with the functioning of others. Here are some reasons our body needs water: 1. It lubricates the joints. Cartilage, found in joints and the disks of the spine, contains around 80 percent water. 11. It makes minerals and minerals required in diet in amount of 100mg or less or present in the body in an amount of 0.01% of body weight or less. iron, copper, zinc, selenium, iodine, chromium, fluoride, manganese, molybdenum, and others. source of minerals in our diet. plant and animal sources. natural food sources of minerals. consistent: