Zinc, Vitamin D and Vitamin B12: study protocols
11 study groups took Zinc together with Vitamin D and Vitamin B12. These are the doses the studies gave. They are not a recommendation.
Dose per serving from research: Zinc
11 study groups in 11 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 and 10 mg to 25 mg, 45% of 11 study groups each.
| Daily dose | Study groups |
|---|---|
| 5 mg to 10 mg | 5 |
| 10 mg to 25 mg | 5 |
| over 25 mg | 1 |
Dose per serving from research: Vitamin D
8 study groups in 8 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, 75% of 8 study groups.
| Daily dose | Study groups |
|---|---|
| 2.5 mcg to 5 mcg | 6 |
| 5 mcg to 10 mcg | 2 |
Dose per serving from research: Vitamin B12
10 study groups in 10 studies say how much Vitamin B12 participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 2.5 mcg to 5 mcg, 30% of 10 study groups.
| Daily dose | Study groups |
|---|---|
| 0.5 mcg to 1 mcg | 2 |
| 1 mcg to 2.5 mcg | 1 |
| 2.5 mcg to 5 mcg | 3 |
| 5 mcg to 10 mcg | 2 |
| 10 mcg to 25 mcg | 1 |
| 25 mcg to 50 mcg | 0 |
| 50 mcg to 100 mcg | 0 |
| 100 mcg to 250 mcg | 0 |
| 250 mcg to 500 mcg | 0 |
| 500 mcg to 1 mg | 0 |
| 1 mg to 2.5 mg | 0 |
| 2.5 mg to 5 mg | 0 |
| 5 mg to 10 mg | 0 |
| over 10 mg | 1 |
Commonly used together
11 of 11 study groups took Zinc, Vitamin D and Vitamin B12 with something else. Shown: what 3 or more different studies gave. The 10 most common of 16.
What was given together, not what works together.
| Taken with | Study groups |
|---|---|
| Iron | 9 |
| Vitamin B6 | 9 |
| Vitamin C | 9 |
| Copper | 8 |
| Vitamin A | 8 |
| Vitamin E | 8 |
| Iodine | 7 |
| Niacin | 6 |
| Folic Acid | 5 |
| Selenium | 5 |
11 study groups