Copper
Full ranking Dose tool Products (2,660)
Key facts
Sources: https://ods.od.nih.gov/factsheets/Copper-HealthProfessional/ · FDA DV 0.9 mg (https://www.fda.gov/food/nutrition-facts-label/daily-value-nutrition-and-supplement-facts-labels); pre-2016 DV [2] (https://www.federalregister.gov/documents/2016/05/27/2016-11867/food-labeling-revision-of-the-nutrition-and-supplement-facts-labels); adult UL 10 mg
Daily dose across products (mg/day)
Label data from official national databases and brand websites, as declared; not lab-verified.
Common forms
Common questions
What is the Daily Value for Copper?
The US FDA Daily Value for adults and children aged 4 and over is 0.9 mg. It is a labelling reference, not a personal recommendation. [source]
Is there an upper limit for Copper?
The adult Tolerable Upper Intake Level (UL) is 10 mg per day. Going above it long term raises the risk of adverse effects. See the linked source. [source]
How much Copper do products usually contain per day?
As of 2026-11-01, 2,660 products list a comparable daily dose (2,696 dose records; one product can have several). The median is 1 mg per day, and 90% of records fall between 0.1 and 2.5 mg. Figures come from labels and are not lab-tested. [source]
What are the side effects of Copper?
Getting too much copper regularly can cause liver damage, abdominal pain, cramps, nausea, diarrhea and vomiting. Copper toxicity is rare in healthy people but can occur in Wilson's disease or when copper pipes leach into drinking water. (Source: NIH ODS) [source]
What happens if you take too much Copper?
The adult UL is 10,000 mcg (10 mg) a day from all sources. Separately, high-dose zinc supplements can block copper absorption and may cause copper deficiency. (Source: NIH ODS) [source]
Is Copper safe during pregnancy and breastfeeding?
The recommended amount is 1,000 mcg a day in pregnancy and 1,300 mcg while breastfeeding. (Source: NIH ODS) [source]
Does Copper interact with medications or other supplements?
Copper is not known to interact with any medications. High-dose zinc supplements interfere with copper absorption. (Source: NIH ODS) [source]
Top ranked
| Rank | Brand | Product | Per day | Score |
|---|---|---|---|---|
| 1 | Solaray | Copper 2 mg | 2 mg | 100.0 |
| 1 | Solaray | Copper Citrate 2 mg | 2 mg | 100.0 |
| 3 | Vitamin World | Chelated Copper | 2 mg | 97.8 |
| 3 | GNC | Copper 2 | 2 mg | 97.8 |
| 3 | Swanson | Copper 2 mg | 2 mg | 97.8 |