Selenium, Vitamin A and Vitamin E: study protocols
6 study groups took Selenium together with Vitamin A and Vitamin E. These are the doses the studies gave. They are not a recommendation.
Dose per serving from research: Selenium
6 study groups in 6 studies say how much Selenium participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 2.5 mcg to 5 mcg and 100 mcg to 250 mcg, 33% of 6 study groups each.
| Daily dose | Study groups |
|---|---|
| 2.5 mcg to 5 mcg | 2 |
| 5 mcg to 10 mcg | 0 |
| 10 mcg to 25 mcg | 0 |
| 25 mcg to 50 mcg | 1 |
| 50 mcg to 100 mcg | 1 |
| 100 mcg to 250 mcg | 2 |
Dose per serving from research: Vitamin A
6 study groups in 6 studies say how much Vitamin A participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 100 mcg to 250 mcg and 500 mcg to 1 mg, 33% of 6 study groups each.
| Daily dose | Study groups |
|---|---|
| 100 mcg to 250 mcg | 2 |
| 250 mcg to 500 mcg | 1 |
| 500 mcg to 1 mg | 2 |
| 1 mg to 2.5 mg | 1 |
Dose per serving from research: Vitamin E
6 study groups in 6 studies say how much Vitamin E participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 5 mg to 10 mg, 50% of 6 study groups.
| Daily dose | Study groups |
|---|---|
| 5 mg to 10 mg | 3 |
| 10 mg to 25 mg | 0 |
| 25 mg to 50 mg | 1 |
| 50 mg to 100 mg | 1 |
| 100 mg to 250 mg | 1 |
Commonly used together
6 of 6 study groups took Selenium, Vitamin A and Vitamin E 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 | 6 |
| Zinc | 4 |
| Copper | 3 |
| Iron | 3 |
6 study groups
| Study | |||||
|---|---|---|---|---|---|
| Effects of fortified milk on morbidity in young children in north India: community based, randomised, double masked placebo controlled trial 2007 · fortified milk · Children aged 1–3 years in a peri-urban settlement in north India | 4.2 mcg | 156 mcg | 7.5 mg | 1 year | 316 |
| Antioxidant supplement and long-term reduction of recurrent adenomas of the large bowel. A double-blind randomized trial 2013 · active compound · Patients who had undergone polypectomy and were undergoing post-polypectomy endoscopic follow-up | 200 mcg | 2 mg | 30 mg | 5 years | 164 |
| Effects of multimicronutrient supplementation on helminth reinfection: a randomized, controlled trial in Kenyan schoolchildren 2003 · multimicronutrient supplementation · Schoolchildren in Nyanza Province, Kenya; age and sex not specified | 40 mcg | 1 mg | 8 mg | 335 days | — |
| Micronutrient fortified milk improves iron status, anemia and growth among children 1-4 years: a double masked, randomized, controlled trial 2010 · Micronutrient-fortified milk (MN group) · Children aged 1–4 years in India; many had anemia, iron deficiency, or growth faltering | 4.2 mcg | 156 mcg | 7.5 mg | 1 year | 316 |
| 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 mcg | 500 mcg | 200 mg | 8 weeks | — |
| [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 mcg | 600 mcg | 100 mg | 8 weeks | 41 |