How much copper is in sweet potato?

Copper content of sweet potato and how it fits a low-copper diet for Wilson disease（红薯）.

0.151 mgcopper per 100 g

Generally OK

Low copper — usually safe every day · food group: Vegetables

Moderate-low copper; a normal portion fits a low-copper diet.

Can I eat sweet potato 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 0.151 mg per 100 g, sweet potato is low in copper and usually safe to eat regularly. 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

Dried shiitake mushrooms
5.16 mg · Avoid Mushrooms (fresh)
0.36 mg · Limit Potato
0.11 mg · Generally OK Spinach
0.13 mg · Generally OK

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.