One of the main ingredients in Coke Zero is phosphoric acid. Similarly to regular soda, drinking diet sodas like Coke Zero is associated with an increased risk of tooth erosion. More research is needed to understand the benefits and risks of diet beverages. The evidence on the use of Coke Zero and other artificially sweetened drinks for weight management is conflicting. However, we can put more trust in human trials than observational studies, which are more likely to be affected by other factors. Thus, the evidence on the effects of artificially sweetened beverages on weight management are conflicting, and more research is needed. In another study, people in a 12-week weight loss program who drank artificially sweetened beverages lost 13 pounds (6 kg), while those drinking water lost 9 pounds (4 kg) ( 11). In one 6-month, randomized, controlled study, people with overweight or obesity experienced moderate weight loss of 2–2.5% of their body weight when replacing caloric beverages with diet beverages or water ( 10). On the other hand, many human intervention studies indicate that the use of artificial sweeteners is either neutral or beneficial for weight management. This suggests that artificial sweeteners may influence body weight in other ways than calorie intake ( 6, 7, 8).Īnother study observed that drinking diet soda was associated with greater waist circumference over 9–10 years ( 9). The same study noted that total daily calorie intake was lower in individuals who drank diet beverages despite their increase in weight. One 8-year observational study found that people who drank more than 21 artificially sweetened beverages per week almost doubled their risk of overweight and obesity, compared with people who didn’t consume these kinds of drinks ( 6).
Research results on the effects of Coke Zero and other artificially sweetened beverages on weight loss are mixed. It’s sweetened with artificial sweeteners, which have controversial health effects. summaryĬoke Zero does not contain any calories or sugar and is not a significant source of nutrients.
The only differences between Coke Zero and the new rebrand - Coca-Cola Zero Sugar - are minor changes to the natural flavor composition. The remaining ingredients are carbonated water, caramel color, food additives, and natural flavors ( 1). Though the research is inconsistent, some studies find that the use of artificial sweeteners may contribute to the development of obesity and metabolic syndrome, a cluster of conditions that increase disease risk ( 3, 4, 5).Ĭoca-Cola Zero Sugar (Coke Zero) uses several common artificial sweeteners, including aspartame and acesulfame potassium (Ace-K). The health effects of artificial sweeteners are controversial, and concern regarding their safety is growing ( 2). To sweeten this beverage without adding calories, artificial sweeteners are used. One 12-ounce (354-ml) can of Coca-Cola Zero Sugar (Coke Zero) offers ( 1): Coke Zero does not provide any calories and is not a significant source of nutrition.
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