Common Post-op Deficiencies – Thiamin


Vitamin B1, or thiamin, is one of eight B vitamins that help produce energy for the body by converting carbohydrates into fuel. Thiamin and the other B vitamins are needed for fat and protein metabolism; normal functioning of the brain and nervous system; and healthy skin, hair, eyes, and liver.

Bariatric surgery can increase the risk of thiamin deficiency especially in those who have preexisting thiamin deficits, low nutrient intake, had a malabsorptive bariatric procedure, or episodes of chronic nausea and vomiting. Symptoms of thiamin deficiency include headache, nausea, fatigue, irritability, depression, abdominal discomfort, swelling/tingling/burning sensation in hands and feet, confusion, trouble breathing, and uncontrolled eye movement.

Gummy vitamins do not contain the essential B vitamins thiamin and riboflavin and are therefore not recommended after surgery.

Download On Track with Barix: Common Post-op Vitamin Deficiencies 

About Deb Hart

Deb Hart is a Registered Dietitian Nutritionist. For the last 28 years, she has been helping bariatric surgery patients reach their health and weight goals. She teaches people how to set up a lifestyle that supports a healthy weight. Deb set up her own lifestyle to include lots of long walks with her furry family members, workout classes at her local wellness center, meal prepping, and finding new ways to enjoy foods without added sugar.
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