Under normal circumstances, our body uses glucose from carbohydrate foods for energy. This is a state in which the body burns fats instead of carbohydrates as its main fuel source. When we don’t eat carbs, the liver breaks down fat stores to produce energy. But if you can’t sustain the keto diet, don’t worry, you are in the majority. You can usually expect them to change from a neutral beige to a shade of red in a positive ketosis test. If you’ve hopped on the keto bandwagon, you’re probably on the lookout for signs of ketosis. It may sound a little freaky, but here’s what you can look out for. Your body’s preferred form of gas for the engine is carbohydrates because it is easily processed into glucose, which provides muscles and organs with energy. Some of the best providers of protein are meat, fish, and eggs together with full-fat dairy products, seeds, and nuts.

The greatest advantage that they have, is that they can pick up any food scan its barcode, feed the data in any fitness app, and design their diet plan. I live in a very small town in India, where it is an uphill task to procure food that is low in carb and sugar-free. For example, before going on Keto, I had never heard of almond flour or chia seeds. Even a tiny mistake in weighing and measuring foods could break the diet. Meal plans combine small amounts of fruits or vegetables, meat, fish or chicken, and a lot of fat often in the form of cream, eggs, butter, but no sugar. Some experts maintain that when you are in ketosis, your body’s metabolism speeds up because it takes more energy to burn fat than carbohydrates. In fact, some research has found that people expend about 200 more calories a day on a low-carb diet (20% carbs) compared to a high-carb diet (60% carbs) when followed for about five months. However, other research shows that there is a negligible amount of extra calorie burn on the keto diet compared to a high-carb plan—around 50 calories a day.

Carbohydrates are the body's preferred source of energy, but on a strict ketogenic diet, less than 5 percent of energy intake is from carbohydrates. The reduction of carbohydrates puts the body into a metabolic state called ketosis. Ketosis is when the body starts breaking down stored fat into molecules called ketone bodies to use for energy, in the absence of circulating blood sugar from food. Once the body reaches ketosis, most cells will use ketone bodies to generate energy until you start eating carbohydrates again. Instead, there's more scientific support for another physiological mechanism that kicks in on the lowest-of-low-carb meal plans.

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