Vitamin A and Copper: study protocols
7 study groups took Vitamin A together with Copper. These are the doses the studies gave. They are not a recommendation.
Dose per serving from research: Vitamin A
5 study groups in 5 studies say how much Vitamin A participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 500 mcg to 1 mg, 60% of 5 study groups.
| Daily dose | Study groups |
|---|---|
| 100 mcg to 250 mcg | 1 |
| 250 mcg to 500 mcg | 1 |
| 500 mcg to 1 mg | 3 |
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: 500 mcg to 1 mg, 71% of 7 study groups.
| Daily dose | Study groups |
|---|---|
| 250 mcg to 500 mcg | 1 |
| 500 mcg to 1 mg | 5 |
| 1 mg to 2.5 mg | 1 |
Commonly used together
7 of 7 study groups took Vitamin A and Copper with something else. Shown: what 3 or more different studies gave. The 10 most common of 14.
What was given together, not what works together.
| Taken with | Study groups |
|---|---|
| Iron | 7 |
| Vitamin C | 7 |
| Vitamin E | 7 |
| Zinc | 7 |
| Vitamin B12 | 6 |
| Iodine | 5 |
| Vitamin B6 | 5 |
| Vitamin D | 5 |
| Folic Acid | 4 |
| Selenium | 4 |
7 study groups