Iron, Vitamin B12 and Iodine: study protocols
13 study groups took Iron together with Vitamin B12 and Iodine. These are the doses the studies gave. They are not a recommendation.
Dose per serving from research: Iron
13 study groups in 11 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, 54% of 13 study groups.
| Daily dose | Study groups |
|---|---|
| 5 mg to 10 mg | 4 |
| 10 mg to 25 mg | 2 |
| 25 mg to 50 mg | 7 |
Dose per serving from research: Vitamin B12
12 study groups in 10 studies say how much Vitamin B12 participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 2.5 mcg to 5 mcg, 50% of 12 study groups.
| Daily dose | Study groups |
|---|---|
| 0.5 mcg or less | 1 |
| 0.5 mcg to 1 mcg | 4 |
| 1 mcg to 2.5 mcg | 0 |
| 2.5 mcg to 5 mcg | 6 |
| over 5 mcg | 1 |
Dose per serving from research: Iodine
12 study groups in 10 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, 58% of 12 study groups.
| Daily dose | Study groups |
|---|---|
| 25 mcg or less | 1 |
| 25 mcg to 50 mcg | 2 |
| 50 mcg to 100 mcg | 2 |
| 100 mcg to 250 mcg | 7 |
Commonly used together
13 of 13 study groups took Iron, Vitamin B12 and Iodine 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 |
|---|---|
| Zinc | 12 |
| Copper | 11 |
| Folic Acid | 11 |
| Vitamin A | 11 |
| Vitamin B6 | 11 |
| Vitamin C | 11 |
| Vitamin D | 11 |
| Vitamin E | 11 |
| Selenium | 9 |
| Niacin | 8 |
13 study groups