Lost 100 Pounds In 100 Days challenge

To lose 100 lbs in 100 days, you’ll need to be in a caloric deficit of 3,500 daily, which is basically starvation.

Severe caloric restrictions like this will mess up your metabolism and your entire health. Calories are energy that your body needs to function. Eating too few of those will lead to serious health issues.
To avoid this watch this video