Vitamin B6, Vitamin B12, Riboflavin and Thiamine: study protocols
5 study groups took Vitamin B6 together with Vitamin B12, Riboflavin and Thiamine. These are the doses the studies gave. They are not a recommendation.
Dose per serving from research: Vitamin B6
5 study groups in 3 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, 60% of 5 study groups.
| Daily dose | Study groups |
|---|---|
| 1 mg to 2.5 mg | 3 |
| 2.5 mg to 5 mg | 0 |
| 5 mg to 10 mg | 0 |
| 10 mg to 25 mg | 2 |
Dose per serving from research: Vitamin B12
5 study groups in 3 studies say how much Vitamin B12 participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 1 mcg to 2.5 mcg and 25 mcg to 50 mcg, 40% of 5 study groups each.
| Daily dose | Study groups |
|---|---|
| 1 mcg to 2.5 mcg | 2 |
| 2.5 mcg to 5 mcg | 1 |
| 5 mcg to 10 mcg | 0 |
| 10 mcg to 25 mcg | 0 |
| 25 mcg to 50 mcg | 2 |
Dose per serving from research: Riboflavin
5 study groups in 3 studies say how much Riboflavin 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 dose | Study groups |
|---|---|
| 1 mg to 2.5 mg | 3 |
| 2.5 mg to 5 mg | 0 |
| 5 mg to 10 mg | 0 |
| 10 mg to 25 mg | 2 |
Dose per serving from research: Thiamine
5 study groups in 3 studies say how much Thiamine 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 dose | Study groups |
|---|---|
| 1 mg to 2.5 mg | 3 |
| 2.5 mg to 5 mg | 0 |
| 5 mg to 10 mg | 0 |
| 10 mg to 25 mg | 2 |
Commonly used together
5 of 5 study groups took Vitamin B6, Vitamin B12, Riboflavin and Thiamine with something else, but nothing that 3 or more different studies gave.
5 study groups
| Study | ||||||
|---|---|---|---|---|---|---|
| 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 | 2.2 mg | 2.6 mcg | 1.8 mg | 1.6 mg | — | — |
| Multivitamin supplementation of HIV-positive women during pregnancy reduces hypertension 2005 · Multivitamin plus vitamin A · HIV-positive pregnant Tanzanian women | 25 mg | 50 mcg | 20 mg | 20 mg | — | — |
| Multivitamin supplementation of HIV-positive women during pregnancy reduces hypertension 2005 · Multivitamin without vitamin A · HIV-positive pregnant Tanzanian women | 25 mg | 50 mcg | 20 mg | 20 mg | — | — |
| Fortified breakfast cereal consumed daily for 12 wk leads to a significant improvement in micronutrient intake and micronutrient status in adolescent girls: a randomised controlled trial 2016 · Fortified cereal, morning · Females aged 16–19 years who regularly skipped breakfast and had low riboflavin status and haemoglobin; no diagnosed illness | 1.74 mg | 1.45 mcg | 1.71 mg | 1.21 mg | 12 weeks | 18 |
| Fortified breakfast cereal consumed daily for 12 wk leads to a significant improvement in micronutrient intake and micronutrient status in adolescent girls: a randomised controlled trial 2016 · Fortified cereal, evening · Females aged 16–19 years who regularly skipped breakfast and had low riboflavin status and haemoglobin; no diagnosed illness | 1.74 mg | 1.45 mcg | 1.71 mg | 1.21 mg | 12 weeks | 16 |