Zinc, Folic Acid, Iron, Copper and Iodine: study protocols
5 study groups took Zinc together with Folic Acid, Iron, Copper and Iodine. These are the doses the studies gave. They are not a recommendation.
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: 10 mg to 25 mg and 25 mg to 50 mg, 40% of 5 study groups each.
| Daily dose | Study groups |
|---|---|
| 10 mg or less | 1 |
| 10 mg to 25 mg | 2 |
| 25 mg to 50 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 and 500 mcg to 1 mg, 40% of 5 study groups each.
| Daily dose | Study groups |
|---|---|
| 100 mcg to 250 mcg | 1 |
| 250 mcg to 500 mcg | 2 |
| 500 mcg to 1 mg | 2 |
Dose per serving from research: Iron
5 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 and 50 mg to 100 mg, 40% of 5 study groups each.
| Daily dose | Study groups |
|---|---|
| 10 mg or less | 1 |
| 10 mg to 25 mg | 0 |
| 25 mg to 50 mg | 2 |
| 50 mg to 100 mg | 2 |
Dose per serving from research: Copper
5 study groups in 4 studies say how much Copper participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 500 mcg to 1 mg, 60% of 5 study groups.
| Daily dose | Study groups |
|---|---|
| 500 mcg to 1 mg | 3 |
| 1 mg to 2.5 mg | 0 |
| 2.5 mg to 5 mg | 2 |
Dose per serving from research: Iodine
5 study groups in 4 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 and 250 mcg to 500 mcg, 40% of 5 study groups each.
| Daily dose | Study groups |
|---|---|
| 100 mcg or less | 1 |
| 100 mcg to 250 mcg | 2 |
| 250 mcg to 500 mcg | 2 |
Commonly used together
5 of 5 study groups took Zinc, Folic Acid, Iron, Copper and Iodine with something else. Shown: what 3 or more different studies gave.
What was given together, not what works together.
| Taken with | Study groups |
|---|---|
| Selenium | 5 |
| Vitamin A | 5 |
| Vitamin C | 5 |
| Vitamin E | 5 |
| Vitamin D | 4 |
| Vitamin B12 | 3 |
5 study groups