In 2023, a comprehensive study published in the journal "Obesity" evaluated the impact of several non-caloric sweeteners, including Stevia, Sweet'N'Low, Equal, and Splenda, on weight loss and metabolism in animals and humans. The researchers discovered that while these sweeteners are not known to contain calories and do not lead to a rise in blood sugar levels, they can influence other aspects of metabolism.
Stevia is a natural sweetener derived from the leaves of the Stevia rebaudiana plant. It has a minimal impact on blood sugar levels and does not appear to interfere with the bodies ability to burn fat for energy. As a result, Stevia is considered safe for most individuals who are fasting for metabolic health or weight loss purposes.
Sweet'N'Low is a low-calorie sweetener that is derived from dextrose, a type of sugar. While Sweet'N'Low did not show a significant impact on blood sugar levels in the study, it did result in a minor increase in ketone levels, suggesting that it may have a mild effect on metabolism.
Equal is another non-caloric sweetener that contains dextrose and maltodextrin. The study found that Equal caused a modest increase in blood sugar levels and a slight decrease in ketone levels, indicating that it may have a minimal impact on weight loss and metabolism when used in moderation. However, unlike Stevia and Sweet'N'Low, Equal is not considered safe for individuals with hypothyroidism because it can block the吸收 of zinc, which may lead to health problems.
Splenda is a widely used non-caloric sweetener derived from sucralose, a chemically altered form of sugar. The study found that Splenda did not affect blood sugar levels or ketone levels in humans, but it did have a mild effect on metabolism by lowering breath acetone levels. This suggests that although Splenda is considered safe, it may have a minimal impact on weight loss and metabolism when used in moderation., while sweeteners derived from different sources and chemical structures can influence metabolism in animals and humans, the overall impact is generally minimal when used in moderation. The study highlights that individuals who fast may consider avoiding sweeteners, especially if they are concerned with maintaining their weight or metabolism during the fast.
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