Nick HowarthFounder, BBHC · Founder - BBHC Health Coaching

WTF is Sucralose? And why is it my "diet soda"? #sucralose #nutritionfacts #wellnesstips #food

9 Mar 2026 · 1 min

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1:21

In this episode of the "What the Fuck Is That?" series, the speaker breaks down sucralose, an artificial sweetener derived from sugar that is roughly 600 times sweeter than regular sugar. Because of its extreme potency, manufacturers can use minuscule amounts to achieve a sweet taste while labeling products as "zero sugar" or "diet." The video argues that, despite its convenience, sucralose may pose health risks: it can disturb the gut microbiome (illustrated with a rainforest analogy), a 2023 study suggests it may cause DNA damage, and the sweet taste triggers metabolic and hormonal responses that anticipate real sugar that never arrives, potentially leading to metabolic confusion. The speaker also points out the corporate incentive—sucralose is cheap, highly sweet, and profitable, making it attractive for food and beverage companies. The overall message is a consumer warning: be aware of what’s behind the "zero‑sugar" label.

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What the fuck is sucralose, and why is it in everything labelled zero sugar? Sucralose is an artificial sweetener made by modifying actual sugar. It's also about 600 times sweeter than sugar, which means companies get to use tiny amounts. That's perfect if your goal is maximum sweetness for minimum quantity. Only one pinch and your drink tastes like your dessert. And of course, as with all things unnatural, your body doesn't respond so well. Your gut bacteria interact with what you eat every day. Research shows that sucralose can actually throw off the balance of microbes in your stomach, throwing your digestion off balance with it. Your gut Your gut microbiome is like a rainforest ecosystem. Throwing artificial chemicals into that is kind of like throwing a few raccoons into the bird sanctuary and hoping the sparrows don't notice. Not only that, but a 2023 research paper on sucralose showed evidence of DNA damage. Then there's the sweetness signal. When your tongue tastes something sweet, your body starts preparing for sugar. Hormones shift, your metabolism gets ready, except with sucralose, the sugar never shows up. It's like calling the fire department, rolling out the truck, sirens blaring, and it's actually just some guy vaping on a veranda. The system mobilised for an emergency that never happened. And when your body is constantly let When you break it down like that, it starts to react in different ways. And companies love sucralose because it's cheap. Tiny amounts, huge sweetness, and great profits. Because not only do they get to use small amounts, but they also get to market themselves as zero sugar or diet soda. See you in the next episode of What the Fuck Is That? Because you deserve to know.