Iron, Vitamin B12 and Copper: study protocols
11 study groups took Iron together with Vitamin B12 and Copper. These are the doses the studies gave. They are not a recommendation.
Dose per serving from research: Iron
11 study groups in 9 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, 64% of 11 study groups.
| Daily dose | Study groups |
|---|---|
| 5 mg to 10 mg | 4 |
| 10 mg to 25 mg | 0 |
| 25 mg to 50 mg | 7 |
Dose per serving from research: Vitamin B12
10 study groups in 8 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, 60% of 10 study groups.
| Daily dose | Study groups |
|---|---|
| 0.5 mcg or less | 1 |
| 0.5 mcg to 1 mcg | 3 |
| 1 mcg to 2.5 mcg | 0 |
| 2.5 mcg to 5 mcg | 6 |
Dose per serving from research: Copper
11 study groups in 9 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 and 1 mg to 2.5 mg, 45% of 11 study groups each.
| Daily dose | Study groups |
|---|---|
| 250 mcg to 500 mcg | 1 |
| 500 mcg to 1 mg | 5 |
| 1 mg to 2.5 mg | 5 |
Commonly used together
11 of 11 study groups took Iron, Vitamin B12 and Copper with something else. Shown: what 3 or more different studies gave. The 10 most common of 12.
What was given together, not what works together.
| Taken with | Study groups |
|---|---|
| Iodine | 11 |
| Vitamin A | 11 |
| Vitamin C | 11 |
| Vitamin E | 11 |
| Zinc | 11 |
| Vitamin B6 | 10 |
| Vitamin D | 10 |
| Folic Acid | 9 |
| Selenium | 9 |
| Niacin | 8 |
11 study groups