Copper, Vitamin C, Zinc and Vitamin E: study protocols
7 study groups took Copper together with Vitamin C, Zinc and Vitamin E. These are the doses the studies gave. They are not a recommendation.
Dose per serving from research: Copper
7 study groups in 7 studies say how much Copper participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 1 mg to 2.5 mg, 43% of 7 study groups.
| Daily dose | Study groups |
|---|---|
| 250 mcg to 500 mcg | 2 |
| 500 mcg to 1 mg | 2 |
| 1 mg to 2.5 mg | 3 |
Dose per serving from research: Vitamin C
7 study groups in 7 studies say how much Vitamin C participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 25 mg to 50 mg and 250 mg to 500 mg, 43% of 7 study groups each.
| Daily dose | Study groups |
|---|---|
| 25 mg to 50 mg | 3 |
| 50 mg to 100 mg | 0 |
| 100 mg to 250 mg | 1 |
| 250 mg to 500 mg | 3 |
Dose per serving from research: Zinc
7 study groups in 7 studies say how much Zinc participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 5 mg to 10 mg, 43% of 7 study groups.
| Daily dose | Study groups |
|---|---|
| 5 mg to 10 mg | 3 |
| 10 mg to 25 mg | 2 |
| 25 mg to 50 mg | 0 |
| 50 mg to 100 mg | 2 |
Commonly used together
7 of 7 study groups took Copper, Vitamin C, Zinc and Vitamin E with something else. Shown: what 3 or more different studies gave.
What was given together, not what works together.
| Taken with | Study groups |
|---|---|
| Selenium | 4 |
| Iron | 3 |
| Vitamin A | 3 |
7 study groups
| Study | ||||||
|---|---|---|---|---|---|---|
| Effects of fortified milk on morbidity in young children in north India: community based, randomised, double masked placebo controlled trial 2007 · fortified milk · Children aged 1–3 years in a peri-urban settlement in north India | 270 mcg | 40.2 mg | 7.8 mg | 7.5 mg | 1 year | 316 |
| 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 mg | 500 mg | 80 mg | 400 IU | 8 years | — |
| Effects of multimicronutrient supplementation on helminth reinfection: a randomized, controlled trial in Kenyan schoolchildren 2003 · multimicronutrient supplementation · Schoolchildren in Nyanza Province, Kenya; age and sex not specified | 2 mg | 50 mg | 20 mg | 8 mg | 335 days | — |
| 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 mcg | 40.2 mg | 7.8 mg | 7.5 mg | 1 year | 316 |
| Carotenoids and antioxidants in age-related maculopathy italian study: multifocal electroretinogram modifications after 1 year 2008 · treated AMD (T-AMD) group · Patients with nonadvanced age-related macular degeneration; mean age 69.4 years | 1 mg | 180 mg | 22.5 mg | 30 mg | 1 year | 15 |
| The effects of antioxidant vitamin supplementation on expiratory flow rates at rest and during exercise 2015 · antioxidant vitamin supplementation (AVS) · healthy nonsmoking adults, 5 men and 5 women, consuming fewer than 5 servings of fruit and vegetables per day | 1 mg | 500 mg | 7.5 mg | 400 IU | 4 weeks | 10 |
| The effect of five-year zinc supplementation on serum zinc, serum cholesterol and hematocrit in persons randomly assigned to treatment group in the age-related eye disease study: AREDS Report No. 7 2002 · antioxidants and zinc · Adults aged 55–80 years with early-to-late age-related macular degeneration | 2 mg | 500 mg | 80 mg | 400 IU | 5 years | — |