The 2015-2020 Dietary Guidelines for Americans recommends a reduced intake of added sugars to less than 10% of total daily calories. If you consume a 2000 calorie diet, this is equal to less than 12.5 teaspoons of added sugar. The average American consumes 19.5 teaspoons of daily.
The guidelines noted available scientific evidence finds FDA-approved no calorie sweeteners to be safe for the general population and an option for reducing added sugar intake.
In order for a low calorie sweetener to be identified as safe for the general population, it must undergo a wide range of tests to determine adverse effects at any dose during different stages of the life cycle. The level connected to an adverse effect must be identified to then define an amount that is without effect.
Whether or not a sweetener is approved for use in food products and beverages it must be proven safe for pregnant women and children.
The following low calorie sweeteners have been approved as safe:
Aspertame
Saccharin
Stevia
Sucralose
Low calorie sweeteners have been controversial with concerns about connections to weight gain, increased sweet cravings, and altered gut flora.
A lot of the controversy has been spurred by associations in observational studies being misinterpreted, inappropriate data extrapolations from research, and/or experimental protocol not being physiologically relevant.
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