| Foods | Measure | Copper, Cu (mg) per measure | % RDA (0.9 mg/day) | % UL (10 mg/day) |
|---|---|---|---|---|
| Beef variety meats and by-products, cooked | 1.0 slice | 11.816 | 1312 | 118 |
| Lamb liver, cooked | 3.0 oz | 11.390 | 1265 | 114 |
| Lamb variety meats and by-products, cooked | 3.0 oz | 8.356 | 928 | 84 |
| Seaweed, spirulina | 1.0 cup | 6.832 | 759 | 68 |
| Mollusks, oyster, cooked | 3.0 oz | 4.851 | 539 | 49 |
| Beef sweetbread, cooked | 3.0 oz | 4.335 | 481 | 43 |
| Cocoa, dry powder, unsweetened | 1 cup | 3.258 | 362 | 33 |
| Cashew nuts, dry roasted | 1.0 cup, halves and whole | 3.041 | 338 | 30 |
| Sunflower seed kernels, toasted | 1.0 cup | 2.458 | 273 | 25 |
| Buckwheat | 1.0 cup | 1.870 | 207 | 19 |