Vitamin B12, Vitamin B6, Vitamin D, Riboflavin and Iron: study protocols
5 study groups took Vitamin B12 together with Vitamin B6, Vitamin D, Riboflavin and Iron. These are the doses the studies gave. They are not a recommendation.
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: 1 mcg to 2.5 mcg and 2.5 mcg to 5 mcg, 40% of 5 study groups each.
| Daily dose | Study groups |
|---|---|
| 1 mcg to 2.5 mcg | 2 |
| 2.5 mcg to 5 mcg | 2 |
| over 5 mcg | 1 |
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, 80% of 5 study groups.
| Daily dose | Study groups |
|---|---|
| 1 mg to 2.5 mg | 4 |
| 2.5 mg to 5 mg | 1 |
Dose per serving from research: Riboflavin
5 study groups in 4 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, 100% of 5 study groups.
| Daily dose | Study groups |
|---|---|
| 1 mg to 2.5 mg | 5 |
Commonly used together
5 of 5 study groups took Vitamin B12, Vitamin B6, Vitamin D, Riboflavin and Iron with something else. Shown: what 3 or more different studies gave.
What was given together, not what works together.
| Taken with | Study groups |
|---|---|
| Thiamine | 4 |
| Folic Acid | 3 |
| Zinc | 3 |
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 | 2.6 mcg | 2.2 mg | 10 mcg | 1.8 mg | — | — | — |
| Maternal B-vitamin and vitamin D status before, during, and after pregnancy and the influence of supplementation preconception and during pregnancy: Prespecified secondary analysis of the NiPPeR double-blind randomized controlled trial 2023 · intervention · Women planning pregnancy; generally healthy, recruited before conception | 5.2 mcg | 2.6 mg | 10 mcg | 1.8 mg | 12 mg | — | 870 |
| 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 | 1.45 mcg | 1.74 mg | 4.15 mcg | 1.71 mg | 6.5 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 | 1.45 mcg | 1.74 mg | 4.15 mcg | 1.71 mg | 6.5 mg | 12 weeks | 16 |
| A novel nutritional supplement to reduce plasma homocysteine in nonpregnant women: A randomised controlled trial in The Gambia 2019 · UNIMMAP tablet · Nonpregnant, non-lactating healthy women aged 18–45 years in West Kiang, The Gambia; women of reproductive age with common micronutrient deficiencies in the population | 2.6 mcg | 1.9 mg | — | 1.4 mg | 30 mg | 12 weeks | 105 |