6 Drinks that will help shrink your belly fat immediately

4. Pineapple Frappe

This blended pineapple drink tastes like a beach vacation in a glass—and it packs in two belly-flattening ingredients. A tablespoon of flaxseed oil adds monounsaturated fatty acids (MUFAs), proven belly flatteners, and pineapple itself contains bromelain, an enzyme that helps break down protein, ease digestion, and banish bloat.