No. Some ingredients in chewing gum are indigestible (much the same as other things that we regularly eat like broccoli) but saliva will keep them moving through the digestive system until they meet their final destination.

Can gum cause you to gain weight?

So if you're wondering can gum cause weight gain, the answer is really up to you. If it helps you ward off eating sweets then yes, but for some it may cause you to eat more sweets.

Does chewing gum make you lose weight?

A few small studies have shown that chewing gum can help you shave calories. But this won't lead to significant weight loss unless you also follow a reduced-calorie diet and get regular physical activity.