| Calcium |
Yogurt, cheese, sardines, milk, orange juice, turnip |
1,000 mg/day |
Component of mineralized bone, provides structure and microarchitecture |
Increased risk of osteoporosis |
Postmenopausal women, those who are actoseintolerant, or vegan |
Kidney stones |
2,500 mg |
| Phosphorus |
Salmon, yogurt, turkey, chicken, beef, lentils |
700 mg/day |
Structural component of bones, cell membrane, DNA and RNA, and ATP |
Bone loss, weak bones |
Older adults, alcoholics |
None |
3,000 mg |
| Magnesium |
Whole grains and legumes, almonds, cashews, hazelnuts, beets, collards, and kelp |
420 mg/day |
Component of mineralized bone, ATP synthesis and utilization, carbohydrate, lipid,protein, RNA, and DNA synthesis |
Tremor, muscle spasms, loss of appetite, nausea |
Alcoholics, individuals with kidney and gastrointestinal disease |
Nausea, vomiting, low blood pressure |
350 mg/day |
| Sulfur |
Protein foods |
None specified |
Structure of some vitamins and amino acids, acid-base balance |
None when protein needs are met |
None |
None |
ND |
| Sodium |
Processed foods, table salt, pork, chicken |
< 2,300 mg/day; ideally 1,500 mg/day |
Major positive extracellular ion, nerve transmission, muscle contraction, fluid balance |
Muscle cramps |
People consuming too much water, excessive sweating, those with vomiting or diarrhea |
High blood pressure |
2,300 mg/day |
| Potassium |
Fruits, vegetables, legumes, whole grains, milk |
4700 mg/day |
Major positive intracellular ion, nerve transmission, muscle contraction, fluid balance |
Irregular heartbeat, muscle cramps |
People consuming diets high in processed meats, those with vomiting or diarrhea |
Abnormal heartbeat |
ND |
| Chloride |
Table salt, processed foods |
<3600 mg/day; ideally 2300 mg/day |
Major negative extracellular ion, fluid balance |
Unlikely |
none |
None |
3,600 mg/day |