Vitamin B9: study protocols
17 study groups say how much Vitamin B9 participants took a day. These are the doses the studies gave. They are not a recommendation.
Dose per serving from products
502 products in our catalogue print how much Vitamin B9 a serving holds.
Most common: 250 mcg to 500 mcg, 27% of 502 products.
| Dose per serving | Products |
|---|---|
| 50 mcg or less | 24 |
| 50 mcg to 100 mcg | 38 |
| 100 mcg to 250 mcg | 78 |
| 250 mcg to 500 mcg | 137 |
| 500 mcg to 1 mg | 105 |
| 1 mg to 2.5 mg | 105 |
| over 2.5 mg | 15 |
Dose per serving from research
17 study groups in 14 studies say how much Vitamin B9 participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 250 mcg to 500 mcg, 41% of 17 study groups.
| Daily dose | Study groups |
|---|---|
| 100 mcg to 250 mcg | 3 |
| 250 mcg to 500 mcg | 7 |
| 500 mcg to 1 mg | 4 |
| 1 mg to 2.5 mg | 1 |
| 2.5 mg to 5 mg | 0 |
| 5 mg to 10 mg | 0 |
| 10 mg to 25 mg | 1 |
| over 25 mg | 1 |
Commonly used together
4 of 17 study groups took Vitamin B9 with something else, but nothing that 3 or more different studies gave.
17 study groups