Thiamine and Vitamin B12: study protocols
8 study groups took Thiamine together with Vitamin B12. These are the doses the studies gave. They are not a recommendation.
Dose per serving from research: Thiamine
8 study groups in 6 studies say how much Thiamine participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 1 mg to 2.5 mg, 38% 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 | 3 |
| 2.5 mg to 5 mg | 0 |
| 5 mg to 10 mg | 0 |
| 10 mg to 25 mg | 2 |
| 25 mg to 50 mg | 0 |
| 50 mg to 100 mg | 1 |
| 100 mg to 250 mg | 0 |
| over 250 mg | 1 |
Dose per serving from research: Vitamin B12
8 study groups in 6 studies say how much Vitamin B12 participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 1 mcg to 2.5 mcg and 25 mcg to 50 mcg and 1 mg to 2.5 mg, 25% of 8 study groups each.
| Daily dose | Study groups |
|---|---|
| 1 mcg or less | 1 |
| 1 mcg to 2.5 mcg | 2 |
| 2.5 mcg to 5 mcg | 1 |
| 5 mcg to 10 mcg | 0 |
| 10 mcg to 25 mcg | 0 |
| 25 mcg to 50 mcg | 2 |
| 50 mcg to 100 mcg | 0 |
| 100 mcg to 250 mcg | 0 |
| 250 mcg to 500 mcg | 0 |
| 500 mcg to 1 mg | 0 |
| 1 mg to 2.5 mg | 2 |
Commonly used together
8 of 8 study groups took Thiamine and Vitamin B12 with something else. Shown: what 3 or more different studies gave.
What was given together, not what works together.
| Taken with | Study groups |
|---|---|
| Vitamin B6 | 8 |
| Riboflavin | 6 |
| Folic Acid | 4 |
| Iron | 4 |
| Vitamin E | 4 |
| Vitamin A | 3 |
8 study groups