Copper

Function

Necessary for the absorption and utilization of iron, supports formation of hemoglobin, bone metabolism, immune system, nerve function and energy metabolism. It is essential for enzyme function, especially blood formation.

Deficiency

Fatigue, paleness, skin sores, edema, slowed growth, hair loss, anorexia, diarrhea, dermatitis abnormalities of the immune system, reduced red blood cell function, reduced activity of white blood cells

Food sources

Oysters, mussels, whelks, liver, brewer’s yeast, whole grains, nuts, cocoa, water

Toxic dose – symptoms

Liver damage, gastrointestinal distress

AIs (Adequate Intakes)

Infants 0-6 months 7-12 months

Micrograms per Day 200 220

RDAs (Recommended Dietary Allowances)

Children 1-3 years 4-8 years	- 340 440
Males 9-13 years 14-18 years 19-30 years 31-50 years 50-70 years > 70 years	- 700 890 900 900 900 900
Females 9-13 years 14-18 years 19-30 years 31-50 years 50-70 years > 70 years	- 700 890 900 900 900 900
Pregnancy < 19 years 19-30 years 31-50 years	- 1000 1000 1000
Lactation < 19 years 19-30 years 31-50 years	- 1300 1300 1300

Source: USDA Dietary Reference Intakes