All nutrients
Copper
Cumineraltrace-mineralmeasured in mgantioxidant role
Today
7-day average. Days to weeks of reserve, so single days mean little.
1.49 mg / 0.9 mg166%
What it is
Needed to use iron, build connective tissue, and run antioxidant enzymes.
Reference intake
Your daily target, personalised to your age and sex.
- RDA
- 0.9 mgmale_19_plus
- Upper limit
- 10 mgapplies to total
Liver damage at sustained high intakes. Far more often the problem runs the other way — high-dose zinc supplementation causing copper deficiency.
Full write-up not finished
The reference intake above is real and cited — Copper is assessed against it exactly like any other nutrient. What is missing is the written panel: what it does in detail, what deficiency and excess look like, absorption, interactions, and food sources ranked against what you eat.
Entries live in data/nutrients.json. Filling this one in changes no code.
Sources
Last reviewed 2026-08-11