What Is Vitamin B1 And Why Is It Important?

What is Thiamine?

Thiamine or Vitamin B1 is a nutrient that depends on water to be properly absorbed in our bodies. This micronutrient is very important to the structure and function of our nerves. If you do not have enough Thiamine in your body, the results are irreversible. This is why it is so important to continue taking bariatric multivitamins EVERY DAY (for the rest of your life).


When can Thiamine (B1) deficiency develop?

Major risk factors for Thiamine deficiency after surgery include:

  • Rapid weight loss
  • Prolonged vomiting
  • Alcohol use
  • Congestive heart failure requiring water pills
  • Lack of attendance at Nutrition follow-up appointments
  • Higher risk if African American and Hispanic women


What are the common symptoms of deficiency?

Early symptoms of deficiency:

  • Tingling of your hands / feet
  • Swelling of your legs
  • Constipation or severe abdominal pain

Late symptoms of deficiency:

  • An unsteady, staggering gait
  • Hallucinations


In which food sources is Thiamine (B1) found?

You can find thiamine in food sources such as pork, whole grains, fortified foods, and cooked fish (like salmon and cod).


Check your supplement!

Thiamine (Vitamin B1)

  • >12mg / day OR
  • 50mg with a B-complex supplement / multivitamin 1-2x / day
banana bariatrics

Looking for more educational bariatric resources?

We have an entire content library full inside our exclusive membership support group called Banana Bariatrics!

Not only will you find helpful resources that will keep you safe on your weight loss surgery journey, but also camaraderie and support with a close-knit, family-style support community!

Share with others:



Related Articles


We're On Facebook!

Bariatric Weight Loss Support Group

You can unsubscribe at any time.