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    Find the Hidden Sweetener

    It's hard to figure out if a product contains a sugar substitute unless you read the fine print. But labels can offer some clues.

    paper grocery bag with various low and no sugar grocery items coming out of it
    Foods labeled with terms like Light, Zero Sugar Added, and Keto may contain sugar substitutes.
    Photo: Ben Goldstein

    Sugar alternatives like aspartame, sucralose, stevia, and monk fruit are increasingly found in foods you wouldn’t expect to contain them. And some of those products—such as ketchup, bread, and cereal—can be labeled with terms that might make you think that there’s no sugar or any kind of sweetener in them.

    Being able to identify products with sugar substitutes is important. Some research suggests that they pose potential health risks, and if you are consuming them unwittingly, you may be getting a lot more of them than you realize. The following label terms can clue you into the possibility that a food contains a sugar alternative, and the list "19 Names for Sugar Alternatives" below shows you what to look for in ingredients lists on food packages.

    Light or Lite
    This indicates that a food is lower in calories (or fat) than the regular version. But that could be because all or some of the sugar was replaced with a no-calorie substitute, like the sucralose in Pepperidge Farms Light Style 7 Grain bread.

    Lower Sugar
    Claims like this one could indicate that a product still contains sugar. But it also may have sugar substitutes, like the monk fruit in Quaker Lower Sugar lnstant Oatmeal.

    No Sugar Added
    This can mean that a product uses a sweetener from plants, like the stevia in Heinz No Sugar Added Ketchup. Variations of this claim include "zero sugar added" and "sugar free."

    No Artificial Sweeteners
    A product with this claim might not have artificial sugars such as aspartame or sucralose. But there’s a good chance it has "natural" low-cal sweeteners like the monk fruit and stevia in Bai drinks.

    Keto-Friendly or Low-Carb
    Packaged foods marketed this way are often sweetened with sugar alcohols like xylitol or nonsugar sweeteners like stevia.

    19 Names for Sugar Alternatives

    It’s not easy to sleuth out sugar substitutes in products you buy, because those additives go by so many different names. Here, a list to consult when reading labels and searching for sweeteners.

    Acesulfame Potassium

    Advantame

    Allulose

    Aspartame

    Brazzein

    Erythritol

    Lactitol

    Maltitol

    Mannitol

    Monk fruit
    (Luo Han Guo)

    Neotame

    Rebaudioside A
    (Reb A)

    Saccharin

    Sorbitol

    Stevia

    Sucralose

    Thaumatin

    Trehalose

    Xylitol

    Download a PDF of the above list.

    Editor’s Note: This article also appeared in the October 2024 issue of Consumer Reports magazine.


    Sally Wadyka

    Sally Wadyka

    Sally Wadyka is a freelance writer who contributes to Consumer Reports, Real Simple, Yoga Journal, and the Food Network on topics such as health, nutrition, and wellness.