Zeaxanthin, Vitamin C, Lutein and Zinc: study protocols
6 study groups took Zeaxanthin together with Vitamin C, Lutein and Zinc. These are the doses the studies gave. They are not a recommendation.
Dose per serving from research: Zeaxanthin
6 study groups in 5 studies say how much Zeaxanthin participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 1 mg to 2.5 mg, 50% of 6 study groups.
| Daily dose | Study groups |
|---|---|
| 500 mcg to 1 mg | 2 |
| 1 mg to 2.5 mg | 3 |
| 2.5 mg to 5 mg | 1 |
Dose per serving from research: Lutein
6 study groups in 5 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, 67% of 6 study groups.
| Daily dose | Study groups |
|---|---|
| 5 mg to 10 mg | 4 |
| 10 mg to 25 mg | 2 |
Commonly used together
6 of 6 study groups took Zeaxanthin, Vitamin C, 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 E | 5 |
6 study groups