Table 1.
Ingredients of supplements for intervention and control groups
| Ingredients | Intervention | Control | Unit |
| Folic acid | 0 | 0.8 | mg |
| Calcium | 250 | 250 | mg |
| Iron | 27 | 27 | mg |
| Thiamine | 1.4 | 1.4 | mg |
| Riboflavin | 1.4 | 1.4 | mg |
| Niacinamide | 18 | 18 | mg |
| Vitamin B6 | 1.9 | 1.9 | mg |
| Vitamin B12 | 2.6 | 2.6 | μg |
| Pantothenic acid | 6 | 6 | mg |
| Biotin | 30 | 30 | mg |
| Vitamin C | 85 | 85 | mg |
| Vitamin E | 13.5 | 13.5 | IU |
| Magnesium | 50 | 50 | mg |
| Zinc | 7.5 | 7.5 | mg |
| Manganese | 2.0 | 2.0 | mg |
| Iodine | 0.22 | 0.22 | mg |
| Copper | 1 | 1 | mg |
| Selenium | 30 | 30 | μg |
| Vitamin D3 | 10 | 10 | μg |
| b-carotene | 2500 | 2500 | IU |