15. Are supplements necessary?
You should take a multivitamin that provides one hundred percent of the daily recommended intake:
- Vitamin B12: should be injected intramuscularly every three months in patients with gastric banding, gastric bypass, or BPD.
- Calcium: you should take 1500 to 2000 milligrams of calcium daily, depending on the type of surgery
- Vitamin D3: must also be added.
