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Zeaxanthin, Vitamin E, Lutein, Zinc and Vitamin C: study protocols

5 study groups took Zeaxanthin together with Vitamin E, Lutein, Zinc and Vitamin C. These are the doses the studies gave. They are not a recommendation.

Zeaxanthin: what the research found →

Dose per serving from research: Zeaxanthin

5 study groups in 4 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, 60% of 5 study groups.

Daily doseStudy groups
500 mcg to 1 mg
2
1 mg to 2.5 mg
3

Dose per serving from research: Lutein

5 study groups in 4 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, 80% of 5 study groups.

Daily doseStudy groups
5 mg to 10 mg
4
10 mg to 25 mg
1

Commonly used together

5 of 5 study groups took Zeaxanthin, Vitamin E, Lutein, Zinc and Vitamin C with something else, but nothing that 3 or more different studies gave.

5 study groups

Study
Visual Function and Macular Carotenoid Changes in Eyes with Retinal Drusen-An Open Label Randomized Controlled Trial to Compare a Micronized Lipid-Based Carotenoid Liquid Supplementation and AREDS-2 Formula
2020 · PV group · Adults aged 54–80 with retinal drusen and risk of age-related macular degeneration
2 mg—10 mg——26 weeks20
Carotenoids and antioxidants in age-related maculopathy italian study: multifocal electroretinogram modifications after 1 year
2008 · treated AMD (T-AMD) group · Patients with nonadvanced age-related macular degeneration; mean age 69.4 years
1 mg30 mg10 mg22.5 mg180 mg1 year15
Beneficial Effects of Micronutrient Supplementation in Restoring the Altered Microbiota and Gut-Retina Axis in Patients with Neovascular Age-Related Macular Degeneration-A Randomized Clinical Trial
2024 · intervention group · Adults with neovascular age-related macular degeneration; mean age 77.8 years
2 mg12 mg10 mg10 mg80 mg26 weeks15
Long term effects of lutein, zeaxanthin and omega-3-LCPUFAs supplementation on optical density of macular pigment in AMD patients: the LUTEGA study
2013 · D2 (twice daily) · Patients with non-exudative age-related macular degeneration; age and sex not specified
2 mg—20 mg——1 year55
Long term effects of lutein, zeaxanthin and omega-3-LCPUFAs supplementation on optical density of macular pigment in AMD patients: the LUTEGA study
2013 · D1 (once daily) · Patients with non-exudative age-related macular degeneration; age and sex not specified
1 mg—10 mg——1 year50