USDA-derived rankings

Dairy-free foods high in copper

Copper works alongside iron to form red blood cells and keeps nerves, immunity and connective tissue in order.

Who this is for: Mostly useful out of curiosity: liver, oysters, nuts, seeds and dark chocolate mean shortfalls are rare.

Reviewed 20 July 2026. Ranked per typical serving against the fixed adult reference of 1.2 mg a day.

The clear number one

Beef Liver

One serving (85g) gives you 12.16 mg of copper, around 1013% of the daily reference in one go.

See the full nutrition score for beef liver

The ranking

Ranked by what a typical serving covers, because nobody eats 100g of everything. The badge shows per-100g density: high means at least 30% of the daily reference per 100g, source means at least 15%.

#FoodPer serving
1Beef Liver12.16 mg1013% of daily reference
2Oysters4.85 mg404% of daily reference
3Squid (Calamari)1.61 mg134% of daily reference
4Lobster1.55 mg129% of daily reference
5Crab1.18 mg98% of daily reference
6Red Lentils0.78 mg65% of daily reference
7Sesame Seeds0.73 mg61% of daily reference
8Cashews0.62 mg51% of daily reference
9Chickpeas (cooked)0.57 mg48% of daily reference
10Tempeh0.56 mg47% of daily reference
11Sunflower Seeds0.5 mg42% of daily reference
12Lentils (cooked)0.5 mg41% of daily reference
13Hazelnuts0.48 mg40% of daily reference
14Hemp Seeds0.48 mg40% of daily reference
15Walnuts0.45 mg37% of daily reference
16Cocoa Powder0.38 mg32% of daily reference
17Pumpkin Seeds0.38 mg31% of daily reference
18Cannellini Beans0.37 mg31% of daily reference
19Soybeans0.37 mg31% of daily reference
20Pistachios0.36 mg30% of daily reference

Anything tagged as containing dairy is excluded.

Narrow it to your way of eating

How this list is built

Every number comes from Nutrigate's USDA-derived generic food table, the same data behind the food nutrition scores. The daily reference for copper is 1.2 mg, an evidence-based adult amount; the app personalises it to you. Serving sizes are typical household portions, shown in grams so you can judge them.