Iron, Vitamin E, Folic Acid, Niacin and Riboflavin: study protocols
6 study groups took Iron together with Vitamin E, Folic Acid, Niacin and Riboflavin. These are the doses the studies gave. They are not a recommendation.
Dose per serving from research: Iron
6 study groups in 4 studies say how much Iron participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 25 mg to 50 mg, 50% of 6 study groups.
| Daily dose | Study groups |
|---|---|
| 10 mg or less | 1 |
| 10 mg to 25 mg | 0 |
| 25 mg to 50 mg | 3 |
| 50 mg to 100 mg | 2 |
Dose per serving from research: Vitamin E
6 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, 50% of 6 study groups.
| Daily dose | Study groups |
|---|---|
| 2.5 mg or less | 1 |
| 2.5 mg to 5 mg | 0 |
| 5 mg to 10 mg | 3 |
| 10 mg to 25 mg | 2 |
Dose per serving from research: Folic Acid
6 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, 100% of 6 study groups.
| Daily dose | Study groups |
|---|---|
| 250 mcg to 500 mcg | 6 |
Dose per serving from research: Niacin
6 study groups in 4 studies say how much Niacin 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 or less | 1 |
| 5 mg to 10 mg | 0 |
| 10 mg to 25 mg | 3 |
| 25 mg to 50 mg | 2 |
Dose per serving from research: Riboflavin
6 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, 50% of 6 study groups.
| Daily dose | Study groups |
|---|---|
| 250 mcg or less | 1 |
| 250 mcg to 500 mcg | 0 |
| 500 mcg to 1 mg | 0 |
| 1 mg to 2.5 mg | 3 |
| 2.5 mg to 5 mg | 2 |
Commonly used together
6 of 6 study groups took Iron, Vitamin E, Folic Acid, Niacin and Riboflavin with something else. Shown: what 3 or more different studies gave.
What was given together, not what works together.
| Taken with | Study groups |
|---|---|
| Vitamin A | 6 |
| Vitamin C | 6 |
| Vitamin D | 6 |
| Copper | 5 |
| Iodine | 5 |
| Selenium | 5 |
| Zinc | 5 |
| Vitamin B12 | 4 |
| Vitamin B6 | 4 |
6 study groups
| Study | |||||||
|---|---|---|---|---|---|---|---|
| Modifying effects of maternal Hb concentration on infant birth weight in women receiving prenatal iron-containing supplements: a randomised controlled trial 2016 · MMN group · Pregnant women aged at least 20 years, nulliparous, with Hb concentration ≥100 g/L and enrolled before 20 weeks of gestation | 30 mg | 10 mg | 400 mcg | 18 mg | 1.4 mg | — | — |
| Predictors of adherence to micronutrient supplementation before and during pregnancy in Vietnam 2017 · MM (multiple micronutrients) preconception group · Women of reproductive age in Vietnam intending to become pregnant | 8.57 mg | 1.43 mg | 400 mcg | 2.57 mg | 200 mcg | 54 weeks | 1,469 |
| Assessing the adherence and acceptability to iron and folic acid compared with multiple micronutrient supplements during pregnancy: a cluster-randomized noninferiority trial in Cambodia 2025 · MMS-180 · Healthy pregnant individuals aged 18–45 years, in the first 14 weeks of a low-risk singleton pregnancy | 30 mg | 10 mg | 400 mcg | 18 mg | 1.4 mg | 180 days | 516 |
| Assessing the adherence and acceptability to iron and folic acid compared with multiple micronutrient supplements during pregnancy: a cluster-randomized noninferiority trial in Cambodia 2025 · MMS-90 · Healthy pregnant individuals aged 18–45 years, in the first 14 weeks of a low-risk singleton pregnancy | 30 mg | 10 mg | 400 mcg | 18 mg | 1.4 mg | 180 days | 515 |
| mRNA Levels of Placental Iron and Zinc Transporter Genes Are Upregulated in Gambian Women with Low Iron and Zinc Status 2017 · MMN group · Pregnant women aged 18–45 years with singleton pregnancies under 20 weeks in rural Gambia | 60 mg | 20 mg | 400 mcg | 36 mg | 2.8 mg | 184 days | 75 |
| mRNA Levels of Placental Iron and Zinc Transporter Genes Are Upregulated in Gambian Women with Low Iron and Zinc Status 2017 · PE+MMN group · Pregnant women aged 18–45 years with singleton pregnancies under 20 weeks in rural Gambia | 60 mg | 20 mg | 400 mcg | 36 mg | 2.8 mg | 184 days | 75 |