Vitamin C, Vitamin B6, Folic Acid, Vitamin B12 and Zinc: study protocols
5 study groups took Vitamin C together with Vitamin B6, Folic Acid, Vitamin B12 and Zinc. These are the doses the studies gave. They are not a recommendation.
Dose per serving from research: Vitamin C
5 study groups in 4 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 and 250 mg to 500 mg, 40% of 5 study groups each.
| Daily dose | Study groups |
|---|---|
| 100 mg or less | 1 |
| 100 mg to 250 mg | 2 |
| 250 mg to 500 mg | 2 |
Dose per serving from research: Vitamin B6
5 study groups in 4 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 and 5 mg to 10 mg, 40% of 5 study groups each.
| Daily dose | Study groups |
|---|---|
| 1 mg to 2.5 mg | 2 |
| 2.5 mg to 5 mg | 1 |
| 5 mg to 10 mg | 2 |
Dose per serving from research: Folic Acid
5 study groups in 4 studies say how much Folic Acid participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 250 mcg to 500 mcg, 60% of 5 study groups.
| Daily dose | Study groups |
|---|---|
| 100 mcg to 250 mcg | 1 |
| 250 mcg to 500 mcg | 3 |
| 500 mcg to 1 mg | 1 |
Dose per serving from research: Vitamin B12
5 study groups in 4 studies say how much Vitamin B12 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 5 mcg to 10 mcg, 40% of 5 study groups each.
| Daily dose | Study groups |
|---|---|
| 2.5 mcg or less | 1 |
| 2.5 mcg to 5 mcg | 2 |
| 5 mcg to 10 mcg | 2 |
Dose per serving from research: Zinc
5 study groups in 4 studies say how much Zinc participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 5 mg to 10 mg and 10 mg to 25 mg, 40% of 5 study groups each.
| Daily dose | Study groups |
|---|---|
| 5 mg to 10 mg | 2 |
| 10 mg to 25 mg | 2 |
| 25 mg to 50 mg | 1 |
Commonly used together
5 of 5 study groups took Vitamin C, Vitamin B6, Folic Acid, Vitamin B12 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 E | 4 |
| Magnesium | 3 |
5 study groups
| Study | |||||||
|---|---|---|---|---|---|---|---|
| Effects of high-dose B vitamin complex with vitamin C and minerals on subjective mood and performance in healthy males 2010 · multi-vitamin/mineral · Healthy males aged 30–55 years in full-time employment | 500 mg | 10 mg | 400 mcg | 10 mcg | 10 mg | 33 days | 103 |
| 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 | 400 mcg | 2.6 mcg | 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 | 1 mg | 10 mcg | 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 | 200 mcg | 2.5 mcg | 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 | 400 mcg | 5 mcg | 15 mg | 6 weeks | 30 |