Zinc and Beta-Carotene: study protocols
16 study groups took Zinc together with Beta-Carotene. These are the doses the studies gave. They are not a recommendation.
Dose per serving from research: Zinc
16 study groups in 14 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, 50% of 16 study groups.
| Daily dose | Study groups |
|---|---|
| 5 mg to 10 mg | 2 |
| 10 mg to 25 mg | 8 |
| 25 mg to 50 mg | 0 |
| 50 mg to 100 mg | 6 |
Dose per serving from research: Beta-Carotene
16 study groups in 14 studies say how much Beta-Carotene 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, 44% of 16 study groups each.
| Daily dose | Study groups |
|---|---|
| 1 mg or less | 1 |
| 1 mg to 2.5 mg | 1 |
| 2.5 mg to 5 mg | 0 |
| 5 mg to 10 mg | 7 |
| 10 mg to 25 mg | 7 |
Commonly used together
15 of 16 study groups took Zinc and Beta-Carotene with something else. Shown: what 3 or more different studies gave.
What was given together, not what works together.
| Taken with | Study groups |
|---|---|
| Vitamin C | 14 |
| Vitamin E | 14 |
| Selenium | 7 |
| Copper | 5 |
16 study groups