Low oxygen exposure and weight loss for improving iron absorption

People with obesity are more likely to develop iron deficiency, which can make obesity-related health problems worse. This study is testing whether two approaches — eating fewer calories and sleeping for 8 hours each night in a tent that simulates higher altitude by lowering oxygen levels — can help your body absorb and use iron more effectively. Researchers believe that losing weight reduces inflammation in the body, and that exposure to lower oxygen may trigger your body to absorb iron better.

People with obesity often struggle with iron deficiency even when taking iron supplements, and doctors don't fully understand why. This trial aims to figure out whether reducing inflammation through weight loss and triggering natural iron-boosting responses through low-oxygen exposure could prevent or reverse iron deficiency in this population.