🥑 Keto Diet: Guide to How It Works & What to Expect If you’ve been hearing a lot about the keto diet lately — “high-fat, low-carb” and all that — you’re not alone. But what is it really, how does it work, and is it right for you? Let’s break it down simply and realistically. When your body shifts from sugar-fuel of fat-fuel, things change. 1. What Is the Keto Diet? The keto diet is a nutritional approach where you significantly reduce your carbohydrate intake and increase healthy fat (and moderate protein) so that your body enters a state called ketosis — where fat becomes your main fuel instead of carbs. Instead of depending on bread, rice, pasta or sweets for energy, you’re shifting your body’s fuel source to fats and ketones. 2. How Does It Work? Normally your body uses glucose (sugar from carbs) for energy. When you limit carbs to very low levels (often less than 50 g/day) your liver starts converting fat into ketones, which your brain and body use as fuel. Wh...