JJ Virgin calls cooked-and-cooled potatoes a "diet drug" because resistant starch in them resists digestion, produces butyric acid, and burns fat. They're also high in fiber for satiety. The benefits only work for whole potatoes, not fries or chips.
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JJ Virgin, why do you feel like potatoes are nature's greatest weight loss hack?
I actually said this on Dr. Oz, that potatoes are like our diet drug. What the heck am I talking about? Turns out the potatoes— now I'm not talking french fries, I'm not talking chips, I'm talking eating a potato that you've cooked and cooled— can be an amazing fat-burning source because it's rich in something called resistant starch. Resistant starch is called that because it resists digestion and actually helps your body produce butyric acid, which helps you burn fat. Now, Now here's the other thing. We know that for satiety, there's a couple things that rule. One of them is protein, one of them's fiber, and potatoes are just a fiber bomb. So when you eat a potato, you feel full for hours. Remember, when you're feeling fuller, you're not gonna be reaching for another potato. However, you know this rule does not apply to potato chips or French fries. So do potatoes the right way and don't be afraid of them.