Nutrient

Adjustable Gastric Band

Sleeve Gastrectomy

Roux-en-Y

Gastric Bypass

Bilopancreatic Diversion with Duodenal Switch

Vitamin A

*

***

Vitamin C

*

*

*

Vitamin D

*

*

**

***

Vitamin E

*

*

*

Vitamin K

***

Vitamin B1 (Thiamin)

*

*

**

*

Vitamin B2 (Riboflavin)

*

*

*

Vitamin B6

*

*

*

Folate

*

*

**

*

Vitamin B12

*

*

***

*

Iron

*

**

**

**

Calcium

*

**

***

Magnesium

*

*

*

Zinc

*

*

***

Selenium

*

*

*

Copper

*

**

Manganese

*

*

*