I've seen these: http://www.ebay.co.uk/itm/Acai-Berry-Energy-Weight-Loss-Chewing-Gum-1-Pack-12-Pieces-6-grams-per-piece-/300674436569?pt=UK_Health_Beauty_Vitamins_Suppleme nts&hash=item460197cdd9#ht_3534wt_1139

They're supposed to help you lose weight.

Is it just as you're chewing, so your stomach feels like it's getting fed?

Or is it something in the ingredient?