How much copper is in cashews?

Copper content of cashews and how it fits a low-copper diet for Wilson disease（腰果）.

2.22 mgcopper per 100 g

Avoid

High copper — kept off a low-copper diet · food group: Nuts & seeds

Nuts are copper-dense. Cashews are one of the highest; typically avoided or strictly limited.

Can I eat cashews with Wilson disease?

People with Wilson disease follow a low-copper diet, especially in the first year of treatment, because the body cannot clear excess copper normally. At 2.22 mg per 100 g, cashews is a high-copper food that is normally kept off the plate. How strict your diet needs to be depends on your treatment stage and copper levels, so use this as a guide and confirm with your own clinician or dietitian.

Lower-copper choices in the same group

Sunflower seeds
1.8 mg · Avoid Walnuts
1.59 mg · Avoid Pistachios
1.29 mg · Avoid Flaxseed
1.22 mg · Avoid

See the full food copper list → · Search any of 13,565 foods →

USDA FoodData Central (SR Legacy / Foundation), copper per 100 g edible portion. Category reflects the classic low-copper-diet guidance for Wilson disease. Numbers are factual USDA values; they are not a personal dietary prescription. Always follow the plan agreed with your own clinician or dietitian.