
Diet drinks are labelled as having 0 calories because they use sweeteners that the body can't break down and turn into energy. In the US, anything under 5 calories can be labelled as 0 calories. However, there are concerns about the long-term impact of artificial sweeteners, and studies have suggested that consumption of zero-calorie drinks could indirectly lead to weight gain.
| Characteristics | Values |
|---|---|
| Diet drinks say 0 calories | Because they use sweeteners that your body can't break down and turn into energy |
| In the US, anything under 5 calories can be labelled as 0 calories | |
| They may create a craving for sweet, high-calorie foods | |
| They may degrade insulin function over time |
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What You'll Learn
- Diet drinks use sweeteners that your body can't break down into energy
- The threshold for labelling a product as having 0 calories is 5 calories
- Zero-calorie drinks may not help with weight loss
- Zero-calorie drinks may create a craving for sweet, high-calorie foods
- Zero-calorie drinks may degrade insulin function over time

Diet drinks use sweeteners that your body can't break down into energy
In the US, anything under 5 calories can be labelled as 0 calories. This is why diet drinks can be labelled as having 0 calories, even though they may have 0.5 kcal.
There are concerns about the long-term impact of artificial sweeteners, and studies on rodents have expressed concerns about how these sweeteners affect the brain. There are also worries that artificially sweetened diet sodas may create a craving for sweet, high-calorie foods. Researchers advise limiting both sugar-sweetened and diet versions for your best health.
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The threshold for labelling a product as having 0 calories is 5 calories
Diet drinks use sweeteners that the body can't break down and turn into energy. Since the body can't break them down and use them like regular sugar, they pass right through. This means that the drinks contain very few digestible calories, and fall under the threshold for labelling a product as having 0 calories. In America, this threshold is 5 calories.
However, it's important to note that the consumption of zero-calorie drinks may have effects on the rest of our diet. Studies have shown that artificially sweetened diet sodas may create a craving for sweet, high-calorie foods. This means that, even as calorie counts drop from zero-calorie sodas, consumption of other foods and drinks might add back even more. In addition, the sweet taste but zero calories from artificially sweetened drinks may degrade insulin function over time, perhaps contributing to poor metabolic health.
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Zero-calorie drinks may not help with weight loss
Zero-calorie drinks are often sweetened with aspartame or other artificial sweeteners. These sweeteners are not broken down by the body and simply pass through. This means that they have no nutritional value and do not contribute to energy levels. However, there are concerns about the long-term impact of artificial sweeteners, including their effect on the brain. Studies on rodents have expressed concerns about how these sweeteners affect brain function.
Additionally, the sweet taste of zero-calorie drinks may create a craving for sweet, high-calorie foods. This could lead to increased consumption of other foods and drinks, potentially adding back more calories than were saved by choosing a zero-calorie drink. There is also some evidence to suggest that the sweet taste but zero calories from artificially sweetened drinks may degrade insulin function over time, contributing to poor metabolic health.
It is worth noting that the labelling of zero-calorie drinks can be misleading. In America, anything under 5 calories can be labelled as having 0 calories. This means that a drink with 0.5 kcal (500 real calories) can be marketed as having no calories.
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Zero-calorie drinks may create a craving for sweet, high-calorie foods
The sweet taste of these drinks, without the calories, may degrade insulin function over time, contributing to poor metabolic health. This means that even as calorie counts drop from zero-calorie drinks, consumption of other foods and drinks might add back even more calories.
In addition, there are concerns about the long-term impact of artificial sweeteners on the brain. Studies on rodents have expressed these concerns, but more research is needed on the effects of diet drinks on humans.
It is also worth noting that the labelling of zero-calorie drinks can be misleading. In America, anything under 5 calories can be labelled as 0 calories. This means that a drink with 0.5 kcal has 500 calories, which is a significant amount.
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Zero-calorie drinks may degrade insulin function over time
In the US, anything under 5 calories can be labelled as 0 calories. This is why diet drinks can be labelled as having 0 calories. However, this does not mean that they have no effect on the body.
The sweet taste of these drinks may create a craving for sweet, high-calorie foods. This could lead to weight gain, as consumption of other foods and drinks might add back even more calories.
There are also concerns about the long-term impact of artificial sweeteners on the brain. Studies on rodents have expressed these concerns, but more research is needed to reach firm conclusions. Researchers advise limiting both sugar-sweetened and diet drinks for optimal health.
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Frequently asked questions
Diet drinks use sweeteners that the body can't break down and turn into energy. As the body can't break them down, they pass right through you.
Many no-calorie beverages get their flavour from aspartame or other artificial sweeteners.
Yes, there are concerns about the long-term impact of artificial sweeteners. Studies on rodents have expressed concerns about how these sweeteners affect your brain. There are also worries that artificially sweetened diet sodas may create a craving for sweet, high-calorie foods.
Diet drinks may have a very small number of calories, but they are under the threshold for being labelled as 0 calories. In America, anything under 5 calories can be labelled as 0 calories.











































