Iron, Vitamin B6, Folic Acid, Iodine and Vitamin D: study protocols
8 study groups took Iron together with Vitamin B6, Folic Acid, Iodine and Vitamin D. These are the doses the studies gave. They are not a recommendation.
Dose per serving from research: Iron
8 study groups in 6 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, 75% of 8 study groups.
| Daily dose | Study groups |
|---|---|
| 5 mg to 10 mg | 1 |
| 10 mg to 25 mg | 1 |
| 25 mg to 50 mg | 6 |
Dose per serving from research: Vitamin B6
8 study groups in 6 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, 75% of 8 study groups.
| Daily dose | Study groups |
|---|---|
| 500 mcg or less | 1 |
| 500 mcg to 1 mg | 0 |
| 1 mg to 2.5 mg | 6 |
| over 2.5 mg | 1 |
Dose per serving from research: Folic Acid
7 study groups in 5 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, 86% of 7 study groups.
| Daily dose | Study groups |
|---|---|
| 250 mcg to 500 mcg | 6 |
| 500 mcg to 1 mg | 1 |
Dose per serving from research: Iodine
7 study groups in 5 studies say how much Iodine participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 100 mcg to 250 mcg, 86% of 7 study groups.
| Daily dose | Study groups |
|---|---|
| 50 mcg or less | 1 |
| 50 mcg to 100 mcg | 0 |
| 100 mcg to 250 mcg | 6 |
Dose per serving from research: Vitamin D
5 study groups in 3 studies say how much Vitamin D participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 100 IU to 250 IU, 80% of 5 study groups.
| Daily dose | Study groups |
|---|---|
| 100 IU or less | 1 |
| 100 IU to 250 IU | 4 |
Commonly used together
8 of 8 study groups took Iron, Vitamin B6, Folic Acid, Iodine and Vitamin D 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 | 8 |
| Zinc | 8 |
| Copper | 7 |
| Selenium | 7 |
| Vitamin A | 7 |
| Vitamin C | 7 |
| Vitamin E | 7 |
| Niacin | 6 |
| Riboflavin | 4 |
8 study groups