Table 2
Postoperative vitamin supplementation recommendations differentiated by the specific type of bariatric surgical procedure.
| | Adjustable gastric band | Roux-en-Y | Duodenal switch |
| Vitamin A | Supplementation may be required, monitor | 5,000–10,000 IU/d | 10,000 IU/d | Vitamin B1 | Acute: 100 mg/d × 7–14 d (IM) then 10 mg/d (oral) | Acute:100 mg/d × 7–14 d (IM) then 10 mg/d (oral) | Supplementation may be required, monitor | Prophylaxis: 50–100 mg/d | Prophylaxis: 50–100 mg/d | Vitamin B12 | Supplementation may be required, monitor | 300–500 μg/d (oral) | Supplementation might be required, monitor | 1000 mg/q 3 months (IM) | Folate | 400 μg/d | 400 μg/d | 400 μg/d | Iron | Supplementation may be required, monitor | 65 mg/twice daily | 65 mg/twice daily | Calcium | Supplementation may be required, monitor | 1,500–2,000 mg/d | 1,800–2,400 mg/d | Vitamin D | Supplementation may be required, monitor | 800–1,200 IU/d | 2000 IU/d | Vitamin E | Supplement with standard multivitamin formulation rich in vitamin E (60 IU/d) | Supplement with standard multivitamin formulation rich in vitamin E (60 IU/d) | Supplement with standard multivitamin formulation rich in vitamin E (60 IU/d) | Vitamin K | Supplementation may be required, monitor | Supplementation may be required, monitor | 300 μg/d | Copper | Oral (1 mg/d) or IV fusion, response variable | Oral (1 mg/d) or IV fusion, response variable | Oral (1 mg/d) or IV fusion, response variable |
|
|