Zinc, Vitamin D, Iodine, Iron and Vitamin B12: study protocols
7 study groups took Zinc together with Vitamin D, Iodine, Iron and Vitamin B12. These are the doses the studies gave. They are not a recommendation.
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, 57% of 7 study groups.
| Daily dose | Study groups |
|---|---|
| 5 mg to 10 mg | 4 |
| 10 mg to 25 mg | 3 |
Dose per serving from research: Vitamin D
6 study groups in 6 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, 83% of 6 study groups.
| Daily dose | Study groups |
|---|---|
| 2.5 mcg to 5 mcg | 5 |
| 5 mcg to 10 mcg | 1 |
Dose per serving from research: Iodine
7 study groups in 7 studies say how much Iodine participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 100 mcg to 250 mcg, 57% of 7 study groups.
| Daily dose | Study groups |
|---|---|
| 25 mcg to 50 mcg | 2 |
| 50 mcg to 100 mcg | 1 |
| 100 mcg to 250 mcg | 4 |
Dose per serving from research: Iron
6 study groups in 6 studies say how much Iron participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 5 mg to 10 mg and 10 mg to 25 mg and 25 mg to 50 mg, 33% of 6 study groups each.
| Daily dose | Study groups |
|---|---|
| 5 mg to 10 mg | 2 |
| 10 mg to 25 mg | 2 |
| 25 mg to 50 mg | 2 |
Dose per serving from research: Vitamin B12
6 study groups in 6 studies say how much Vitamin B12 participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 0.5 mcg to 1 mcg and 2.5 mcg to 5 mcg, 33% of 6 study groups each.
| Daily dose | Study groups |
|---|---|
| 0.5 mcg to 1 mcg | 2 |
| 1 mcg to 2.5 mcg | 1 |
| 2.5 mcg to 5 mcg | 2 |
| over 5 mcg | 1 |
Commonly used together
7 of 7 study groups took Zinc, Vitamin D, Iodine, Iron and Vitamin B12 with something else. Shown: what 3 or more different studies gave. The 10 most common of 12.
What was given together, not what works together.
| Taken with | Study groups |
|---|---|
| Copper | 6 |
| Vitamin A | 6 |
| Vitamin B6 | 6 |
| Vitamin C | 6 |
| Vitamin E | 6 |
| Folate | 4 |
| Niacin | 4 |
| Selenium | 4 |
| Folic Acid | 3 |
| Vitamin K | 3 |
7 study groups