| Intervention group | Food | Folate content/100g food | Daily portion | Folate content provided, μg/portion | Intervention dose, μg/d |
| Food folate group | Canned germinated faba beans | 45 ± 2.3 solid beans* 25 ± 1.3 canning medium* | 150 g beans 50 g canning medium |
| 250 |
| Orange juice | 37 ± 2* | 245 mL | 90 | ||
| Cookies | 85 ± 5* | 100 g | 85 | ||
| Folic acid group |
|
| 1 tablet | 500 µg folic acid/tablet** | 500 |
| Control group |
| 0 µg folate/folic acid | 245 mL | 0 | 0 |