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All study protocols

Copper: study protocols

8 study groups say how much Copper participants took a day. These are the doses the studies gave. They are not a recommendation.

Copper: what the research found →

Dose per serving from products

8,766 products in our catalogue print how much Copper a serving holds.

Most common: 500 mcg to 1 mg, 30% of 8,766 products.

Dose per servingProducts
50 mcg or less
377
50 mcg to 100 mcg
595
100 mcg to 250 mcg
866
250 mcg to 500 mcg
1,296
500 mcg to 1 mg
2,647
1 mg to 2.5 mg
2,493
2.5 mg to 5 mg
341
over 5 mg
151

Dose per serving from research

8 study groups in 5 studies say how much Copper participants took a day.

These are the doses the studies gave. They are not a recommendation.

Most common: 250 mcg to 500 mcg and 1 mg to 2.5 mg, 50% of 8 study groups each.

Daily doseStudy groups
250 mcg to 500 mcg
4
500 mcg to 1 mg
0
1 mg to 2.5 mg
4

Commonly used together

8 of 8 study groups took Copper with something else. Shown: what 3 or more different studies gave.

What was given together, not what works together.

Taken withStudy groups
Zinc
8
Iron
4

8 study groups

Study
A randomized, placebo-controlled, clinical trial of high-dose supplementation with vitamins C and E, beta carotene, and zinc for age-related macular degeneration and vision loss: AREDS report no. 8
2001 · Zinc · Adults aged 55–80 with age-related macular degeneration Categories 2–4 and visual acuity of 20/32 or better in at least one eye
2 mg8 years—
A randomized, placebo-controlled, clinical trial of high-dose supplementation with vitamins C and E, beta carotene, and zinc for age-related macular degeneration and vision loss: AREDS report no. 8
2001 · Antioxidants plus zinc · Adults aged 55–80 with age-related macular degeneration Categories 2–4 and visual acuity of 20/32 or better in at least one eye
2 mg8 years—
Micronutrient fortified milk improves iron status, anemia and growth among children 1-4 years: a double masked, randomized, controlled trial
2010 · Micronutrient-fortified milk (MN group) · Children aged 1–4 years in India; many had anemia, iron deficiency, or growth faltering
270 mcg1 year316
Including 60 mg Elemental Iron in a Multiple Micronutrient Supplement Blunts the Increase in Serum Zinc after 12 Weeks of Daily Supplementation in Predominantly Anemic, Nonpregnant Cambodian Women of Reproductive Age
2019 · MMN · Predominantly anemic, nonpregnant women aged 18–45 years
2 mg12 weeks202
The effects of a lipid-based nutrient supplement and antiretroviral therapy in a randomized controlled trial on iron, copper, and zinc in milk from HIV-infected Malawian mothers and associations with maternal and infant biomarkers
2018 · LNS · HIV-infected lactating women in Malawi
300 mcg28 weeks185
The effects of a lipid-based nutrient supplement and antiretroviral therapy in a randomized controlled trial on iron, copper, and zinc in milk from HIV-infected Malawian mothers and associations with maternal and infant biomarkers
2018 · ARV + LNS · HIV-infected lactating women in Malawi
300 mcg28 weeks90
Dose-response trial of prophylactic zinc supplements, with or without copper, in young Ecuadorian children at risk of zinc deficiency
2008 · 10 mg Zn + 0.5 mg Cu as copper sulfate · Ecuadorian children aged 12–30 months at baseline with length-for-age z scores below −1.3, at risk of zinc deficiency
500 mcg26 weeks—
Including 60 mg Elemental Iron in a Multiple Micronutrient Supplement Blunts the Increase in Serum Zinc after 12 Weeks of Daily Supplementation in Predominantly Anemic, Nonpregnant Cambodian Women of Reproductive Age
2019 · Fe + MMN · Predominantly anemic, nonpregnant women aged 18–45 years
2 mg12 weeks206