Lutein and Zinc: study protocols
8 study groups took Lutein together with Zinc. These are the doses the studies gave. They are not a recommendation.
Dose per serving from research: Lutein
8 study groups in 7 studies say how much Lutein participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 5 mg to 10 mg, 63% of 8 study groups.
| Daily dose | Study groups |
|---|---|
| 5 mg to 10 mg | 5 |
| 10 mg to 25 mg | 3 |
Dose per serving from research: Zinc
5 study groups in 5 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, 40% of 5 study groups.
| Daily dose | Study groups |
|---|---|
| 10 mg or less | 1 |
| 10 mg to 25 mg | 2 |
| 25 mg to 50 mg | 1 |
| 50 mg to 100 mg | 1 |
Commonly used together
8 of 8 study groups took Lutein and Zinc 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 | 8 |
| Vitamin E | 7 |
| Zeaxanthin | 7 |
| Copper | 3 |
8 study groups