Vitamin D, Zinc and Copper: study protocols
6 study groups took Vitamin D together with Zinc and Copper. These are the doses the studies gave. They are not a recommendation.
Dose per serving from research: Vitamin D
5 study groups in 5 studies say how much Vitamin D participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 2.5 mcg to 5 mcg, 80% of 5 study groups.
| Daily dose | Study groups |
|---|---|
| 2.5 mcg to 5 mcg | 4 |
| 5 mcg to 10 mcg | 1 |
Dose per serving from research: Zinc
6 study groups in 6 studies say how much Zinc participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 10 mg to 25 mg, 67% of 6 study groups.
| Daily dose | Study groups |
|---|---|
| 5 mg to 10 mg | 1 |
| 10 mg to 25 mg | 4 |
| 25 mg to 50 mg | 1 |
Dose per serving from research: Copper
5 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: 1 mg to 2.5 mg, 60% of 5 study groups.
| Daily dose | Study groups |
|---|---|
| 500 mcg to 1 mg | 2 |
| 1 mg to 2.5 mg | 3 |
Commonly used together
6 of 6 study groups took Vitamin D, Zinc and Copper with something else. Shown: what 3 or more different studies gave.
What was given together, not what works together.
| Taken with | Study groups |
|---|---|
| Iron | 5 |
| Vitamin B12 | 5 |
| Vitamin C | 5 |
| Vitamin E | 5 |
| Folic Acid | 4 |
| Selenium | 4 |
| Vitamin A | 4 |
| Vitamin B6 | 4 |
| Iodine | 3 |
| Niacin | 3 |
6 study groups