Beware ‘vanishing caloric density’ — it can trick you into gaining weight

Open Nutrition navigation Lifestyle trending now in Health Beware ‘vanishing caloric density’ — it can trick you into gaining weight Imagine a snack that not…

Published

Source: New York Post

Open Nutrition navigation Lifestyle

#### trending now in Health

# Beware ‘vanishing caloric density’ — it can trick you into gaining weight

Imagine a [snack](https://nypost.com/2026/07/08/lifestyle/experts-say-gen-z-eats-nearly-twice-as-many-snacks-as-boomers-shifting-away-from-real-meals/) that not only physically melts in your mouth with every bite, but whose calories seem to disappear just as quickly. Magic, right?

Your brain thinks so, thanks to a phenomenon known as “vanishing caloric density.”

But this mental magic trick could actually lead you to eat more calories — and pack on unwanted pounds.

“Vanishing caloric density” describes the sneaky way that certain foods trick the brain into thinking they carry few or no calories, ultimately leading to weight gain. F8 \ Suport Ukraine – stock.adobe.com

Many people reach for ultra-processed foods when they want a quick bite, with [more than half](https://nypost.com/2026/06/17/lifestyle/survey-reveals-americans-most-common-snacking-confessions/) of 5,000 US adults admitting they’ve eaten an entire bag of chips in a single sitting.

This may be because of “vanishing caloric density,” which, while not a formal nutrition term, describes airy snacks that dissolve on the tongue, tricking the brain into thinking the calories disappear just as fast.

In reality, the brain doesn’t fully register how much has been consumed, making it easier to overeat.