| 2019 ASMBS Guidelines for VSG |
| Multivitamin (MVI) |
| Thiamin |
At least 12 mg / day * |
| Folic Acid |
400 – 800 mcg / day from MVI |
|
800 – 1,000 mcg / day total (female, child bearing age) |
| B12 |
Oral: 350 – 1,000 mcg / day |
| Vitamin D |
3,000 IU (75 mcg) |
| Vitamin A |
5,000 – 10,000 IU (1,500 – 3,000 mcg) / day |
| Vitamin E |
15 mg / day |
| Vitamin K |
90 – 120 mcg / day |
| Copper |
1 mg / day from MVI |
| Zinc |
8 – 11 mg / day from MVI |
| Zinc to copper ratio: 8 – 15 mg of zinc for every 1 mg of copper |
| Iron (from all supplements)
|
| At least 18 – 60 mg / day ** |
| CANNOT take with Calcium |
| Calcium (from food and supplements)
|
| 1,200 – 1,500 mg / day |
| Take in divided doses |
| Calcium Citrate may be taken with or without meals |
| Other |
| Protein (often individualized)
|
Minimum of 60 g / day with some patients needing higher amounts of 80 – 90 g / day |
| Fluids (often individualized)
|
At least 50 oz / day to ensure adequate hydration |
| * At risk patients: rapid weight loss, protracted vomiting, the need for parenteral nutrition, excessive alcohol, neuropathy, encephalopathy, and/or heart failure. At risk patients need at least 50 – 100 mg of thiamin daily. |
|
| ** Low risk patients (males and patients without a history of anemia) need 18 mg of iron from their multivitamin. Higher risk patients (menstruating females who have had VSG, RNY, or BPD / DS or those with anemia) need at least 45-60 mg of iron daily. |
| Information adopted from Mechanick et al SOARD. 2020; 16:175-247 |
|
