Lutein and Vitamin C: study protocols
9 study groups took Lutein together with Vitamin C. These are the doses the studies gave. They are not a recommendation.
Dose per serving from research: Lutein
9 study groups in 8 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 9 study groups.
| Daily dose | Study groups |
|---|---|
| 5 mg to 10 mg | 6 |
| 10 mg to 25 mg | 3 |
Dose per serving from research: Vitamin C
6 study groups in 6 studies say how much Vitamin C participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 50 mg to 100 mg and 100 mg to 250 mg and 250 mg to 500 mg, 33% of 6 study groups each.
| Daily dose | Study groups |
|---|---|
| 50 mg to 100 mg | 2 |
| 100 mg to 250 mg | 2 |
| 250 mg to 500 mg | 2 |
Commonly used together
9 of 9 study groups took Lutein and Vitamin C with something else. Shown: what 3 or more different studies gave.
What was given together, not what works together.
| Taken with | Study groups |
|---|---|
| Zeaxanthin | 8 |
| Zinc | 8 |
| Vitamin E | 7 |
| Copper | 4 |
9 study groups