Folic Acid, Iodine and Zinc: study protocols
14 study groups took Folic Acid together with Iodine and Zinc. These are the doses the studies gave. They are not a recommendation.
Dose per serving from research: Folic Acid
14 study groups in 11 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, 71% of 14 study groups.
| Daily dose | Study groups |
|---|---|
| 100 mcg or less | 1 |
| 100 mcg to 250 mcg | 1 |
| 250 mcg to 500 mcg | 10 |
| 500 mcg to 1 mg | 2 |
Dose per serving from research: Iodine
14 study groups in 11 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, 71% of 14 study groups.
| Daily dose | Study groups |
|---|---|
| 50 mcg or less | 1 |
| 50 mcg to 100 mcg | 1 |
| 100 mcg to 250 mcg | 10 |
| 250 mcg to 500 mcg | 2 |
Dose per serving from research: Zinc
14 study groups in 11 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, 57% of 14 study groups.
| Daily dose | Study groups |
|---|---|
| 5 mg or less | 1 |
| 5 mg to 10 mg | 3 |
| 10 mg to 25 mg | 8 |
| 25 mg to 50 mg | 2 |
Commonly used together
14 of 14 study groups took Folic Acid, Iodine and Zinc with something else. Shown: what 3 or more different studies gave. The 10 most common of 13.
What was given together, not what works together.
| Taken with | Study groups |
|---|---|
| Copper | 13 |
| Iron | 13 |
| Selenium | 13 |
| Vitamin A | 13 |
| Vitamin D | 13 |
| Vitamin E | 13 |
| Vitamin C | 12 |
| Niacin | 11 |
| Vitamin B12 | 11 |
| Vitamin B6 | 10 |
14 study groups