Brrr! Why You Feel Like a Human Ice Cube After Weight Loss Surgery

Feeling cold after WLS


So, you've lost weight after bariatric surgery and are feeling like a brand new person. But why do you feel like a human ice cube now? The answer lies in your body's metabolism and changes in fat distribution.

Firstly, let's talk about metabolism. After weight loss surgery, your body requires fewer calories to maintain its new weight, which means your metabolism slows down for a bit. This decrease in metabolism leads to a decrease in body temperature, which makes you feel colder than usual.

Secondly, fat distribution plays a role. Fat acts as an insulator, keeping your body warm in cold temperatures. But after weight loss surgery, your body may lose fat from areas that previously provided insulation, such as your arms, legs, and face. As a result, you may feel colder because your body is less insulated than before.

But don't worry, you're not doomed to a life of shivering! Your internal thermostat will eventually adjust to your new weight.


Here are some tips to help you stay warm and cozy this winter:

  1. Bundle up: Keep a cozy sweater or blanket nearby to wrap yourself up in when you start feeling chilly.
  2. Stay active: Exercise not only helps you maintain your weight loss but also helps to keep your body warm by increasing your metabolism.
  3. Eat warming foods: Foods like soups, stews, and warm beverages like tea or coffee can help to raise your body temperature.
  4. Use a heating pad: If you're feeling particularly chilly, a heating pad can be a quick fix to warm you up.
  5. Embrace the layers: Doing so helps to trap heat close to your body - and can be super stylish!


If you haven't been keeping up with regular blood tests since WLS, there could be another factor at play for feeling chilly. Anaemia or iron deficiency can be the culprit, especially when it causes cold hands and feet. You can discuss this with your GP.

It's important to be cautious of bariatric multivitamins that contain both iron and calcium, since these nutrients can interfere with each other's absorption. To make sure you're getting the most out of your supplements, it's best to take them at separate times. That's why, at My New Tum, we've made the decision not to include iron in our multivitamin.

So, there you have it. While feeling colder after weight loss surgery may not be the most enjoyable side effect, it's a small price to pay for the many benefits of achieving a healthier weight. 

Just remember to bundle up, stay active, and enjoy a warm bowl of soup every once in a while!


Emma x

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