The body of an adult man contains about 100 mg of copper. It intervenes in the quality of cartilage, bone mineralization, regulation of neurotransmitters, immunity and iron metabolism. It is also essential to the functioning of the myocardium, muscle aerobic glycolised very demanding. It also plays an ambivalent role in the oxidative stress is involved in the elimination of free radicals of oxygen, but conversely, free form, it is capable of generating free radicals.

Different forms of dietary copper in the digestive tract is a common pool of copper absorbed evenly. intestinal absorption actual copper is 20 to 40% in humans. An important contribution of zinc may, copétition, affect the absorption and retention of copper. Alcohol can also reduce the absorption of copper. In contrast, a high intake of protein or amino acids enhances the absorption of copper, but is accompanied by increased urinary excretion.

Sources of Copper

See the list of foods that provide the most Copper


The 100% value in the ANC Nutritiomètre ® is 1.5 mg per day for an adult male, and 2 mg per day for an adult woman.

Values beyond 35 mg copper intake per day, deleterious effects can be produced in humans. This would correspond to values of the order of ANC 1700% in Nutritiomètre ®.

(Source: "Recommended dietary allowances for the French population," the CNERNA-CNRS. Edition coordinated by Ambroise Martin.)