Vitamin C, Vitamin B6, Vitamin E and Zinc: study protocols
6 study groups took Vitamin C together with Vitamin B6, Vitamin E and Zinc. These are the doses the studies gave. They are not a recommendation.
Dose per serving from research: Vitamin C
6 study groups in 5 studies say how much Vitamin C participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 100 mg to 250 mg, 33% of 6 study groups.
| Daily dose | Study groups |
|---|---|
| 50 mg or less | 1 |
| 50 mg to 100 mg | 1 |
| 100 mg to 250 mg | 2 |
| 250 mg to 500 mg | 1 |
| 500 mg to 1 g | 0 |
| 1 g to 2.5 g | 1 |
Dose per serving from research: Vitamin B6
6 study groups in 5 studies say how much Vitamin B6 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 |
|---|---|
| 1 mg to 2.5 mg | 3 |
| 2.5 mg to 5 mg | 1 |
| 5 mg to 10 mg | 1 |
| 10 mg to 25 mg | 0 |
| 25 mg to 50 mg | 0 |
| 50 mg to 100 mg | 1 |
Dose per serving from research: Vitamin E
5 study groups in 4 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 and 50 mg to 100 mg, 40% of 5 study groups each.
| Daily dose | Study groups |
|---|---|
| 5 mg to 10 mg | 2 |
| 10 mg to 25 mg | 0 |
| 25 mg to 50 mg | 1 |
| 50 mg to 100 mg | 2 |
Dose per serving from research: Zinc
6 study groups in 5 studies say how much Zinc participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 10 mg to 25 mg, 50% of 6 study groups.
| Daily dose | Study groups |
|---|---|
| 5 mg to 10 mg | 1 |
| 10 mg to 25 mg | 3 |
| 25 mg to 50 mg | 1 |
| 50 mg to 100 mg | 1 |
Commonly used together
6 of 6 study groups took Vitamin C, Vitamin B6, Vitamin E 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 B12 | 5 |
| Folic Acid | 4 |
| Vitamin D | 4 |
| Riboflavin | 3 |
| Thiamine | 3 |
| Vitamin A | 3 |
6 study groups
| Study | ||||||
|---|---|---|---|---|---|---|
| Megadose vitamins in bladder cancer: a double-blind clinical trial 1994 · megadose vitamins arm · Patients with biopsy-confirmed transitional cell carcinoma of the bladder receiving BCG immunotherapy | 2 g | 100 mg | — | 90 mg | — | 35 |
| 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 | 50 mg | 1.7 mg | 8 mg | 20 mg | 335 days | — |
| Effects of maternal micronutrient supplementation on fetal loss and infant mortality: a cluster-randomized trial in Nepal 2003 · Multiple micronutrients · Pregnant women in rural Nepal | 100 mg | 2.2 mg | 10 mg | 30 mg | — | — |
| Improving neuropathy scores in type 2 diabetic patients using micronutrients supplementation 2011 · Group MVB · Patients with type 2 diabetes | 200 mg | 10 mg | 100 mg | 20 mg | 120 days | — |
| Use of Nutraceuticals in Elderly to Fight Inflammation and Immuno-Senescence: A Randomized Case-Control Study 2022 · TG1 · Hospitalized adults older than 65 years; sex not restricted; recruited for causes other than cancer, with specified immune-disease and infection exclusions | 135 mg | 2.1 mg | 45 mg | 7.5 mg | 12 weeks | 30 |
| Use of Nutraceuticals in Elderly to Fight Inflammation and Immuno-Senescence: A Randomized Case-Control Study 2022 · TG2 · Hospitalized adults older than 65 years; sex not restricted; recruited for causes other than cancer, with specified immune-disease and infection exclusions | 270 mg | 4.2 mg | 90 mg | 15 mg | 6 weeks | 30 |