TABLE 7.
Food sources of trace metals and recommended upper limit.
| Metals | Food sources of trace metals | Dietary reference upper limit |
| Magnesium | Grains, green leafy vegetables, almonds, coffee, and dark chocolate | 420 mg/day |
| Zinc | Dry fruits (especially pine nuts, peanuts, nuts and almonds), all kind of meat, milk, cereals, and eggs | 40 mg/day |
| Copper | Dry fruits, pine nuts, hazelnuts, soy beans, black-eyed beans/peas and lentils, dark chocolate | 10 mg/day |
| Selenium | Fish, seafood, eggs, offal, and red meat | 400 mcg/day |