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All Selenium study protocols

Selenium, Vitamin A, Beta-Carotene and Vitamin C: study protocols

5 study groups took Selenium together with Vitamin A, Beta-Carotene and Vitamin C. These are the doses the studies gave. They are not a recommendation.

Selenium: what the research found →

Dose per serving from research: Selenium

5 study groups in 3 studies say how much Selenium participants took a day.

These are the doses the studies gave. They are not a recommendation.

Most common: 100 mcg to 250 mcg and 250 mcg to 500 mcg, 40% of 5 study groups each.

Daily doseStudy groups
100 mcg or less
1
100 mcg to 250 mcg
2
250 mcg to 500 mcg
2

Dose per serving from research: Beta-Carotene

5 study groups in 3 studies say how much Beta-Carotene participants took a day.

These are the doses the studies gave. They are not a recommendation.

Most common: 500 mcg to 1 mg and 1 mg to 2.5 mg, 40% of 5 study groups each.

Daily doseStudy groups
500 mcg to 1 mg
2
1 mg to 2.5 mg
2
2.5 mg to 5 mg
0
5 mg to 10 mg
0
10 mg to 25 mg
1

Dose per serving from research: Vitamin C

5 study groups in 3 studies say how much Vitamin C participants took a day.

These are the doses the studies gave. They are not a recommendation.

Most common: 250 mg to 500 mg, 100% of 5 study groups.

Daily doseStudy groups
250 mg to 500 mg
5

Commonly used together

5 of 5 study groups took Selenium, Vitamin A, Beta-Carotene and Vitamin C with something else, but nothing that 3 or more different studies gave.

5 study groups

Study
Improved antioxidant and fatty acid status of patients with cystic fibrosis after antioxidant supplementation is linked to improved lung function
2003 · group B [high dose of supplement] · Patients with cystic fibrosis; age and sex not specified
90 mcg500 mcg25 mg300 mg8 weeks—
Antioxidant micronutrients improve intrinsic and UV-induced apoptosis of human lymphocytes particularly in elderly people
2011 · Y2 · Healthy young adults aged 18–22 years
400 mcg3,000 IU1.5 mg500 mg60 days45
Antioxidant micronutrients improve intrinsic and UV-induced apoptosis of human lymphocytes particularly in elderly people
2011 · O2 · Healthy older adults aged 60–75 years
400 mcg3,000 IU1.5 mg500 mg60 days45
[Effect of multiple micronutrients supplementation on anti-oxidative activity and oxidized DNA damage of lymphocytes in children]
2005 · supplement group · Chinese children aged 9–11 years, described as healthy and living in a rural area
200 mcg600 mcg1 mg300 mg8 weeks41
Antioxidant micronutrients improve intrinsic and UV-induced apoptosis of human lymphocytes particularly in elderly people
2011 · C2 · Healthy children aged 8–10 years
200 mcg2,000 IU1 mg300 mg60 days40
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