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Nutrition

How to find those hidden added sugars

Hidden added sugars in foods can have a big impact on your glucose levels. Learn some quick tips on how to spot them on food labels here.

Christina StiehlChristina Stiehl

Christina Stiehl,

Managing Editor

Pamela Nisevich Bede, MS, RD, CSSD, LDPamela Nisevich Bede, MS, RD, CSSD, LD

Pamela Nisevich Bede, MS, RD, CSSD, LD,

Medical Affairs

Published:

March 19, 2025

Updated:

April 10, 2025

Read time:

2 minutes

We’re consuming too much sugar. The average adult in the United Kingdom consumes between 9% and 12.5% of their calories from free sugar each day (54-75 grams (g) per day, or about 13-19 cubes of sugar), well above the amount recommended by the National Health Service. 1,2 

The NHS recommends limiting free sugars to no more than 5% of calories each day. This means no more than 30 g per day for adults; roughly equal to seven sugar cubes. 1 

When you think of sugar in foods, cakes, biscuits, and other sweets come to mind. But those aren’t the only sources of sugar. Hidden sugar is common in packaged foods and goes by many names. Regardless of the name, they could all cause a glucose spike

But there’s good news. Even food labels with hidden sugars give us hints to lead us to them. Here are a few of them:  

  1. In the United Kingdom, packaged foods with over 22 g of sugars per 100 g are clearly marked and highlighted red. Foods with 5-22 g of sugar per 100 g are highlighted orange. And finally, foods with under 5 g of sugars per 100 g are highlighted green. Sticking mostly to foods in the green category can help you avoid those hidden sugars without having to search up and down the food label.
  2. Look for the words syrup and sugar in the ingredient list. Examples include brown rice syrup, corn syrup, and cane sugar.  
  3. Sugar may also be labelled with the ending “-ose”, like glucose, dextrose, fructose, galactose, sucrose, or maltose.  
  4. Other names include molasses, honey, agave, cane juice, barley malt, and potato starch.  

It’s important to remember that just because foods contain these words, it doesn’t mean they’re always bad choices. You can still occasionally enjoy these foods, in the proper portions listed on the food label. Consuming them after you have foods like vegetables, protein, and healthy fats can help decrease their impact on your glucose. 3 

A final note from Lingo 

Hidden sugars can have a big impact on your glucose without you realizing you’ve been eating them. To maintain steady glucose levels and manage your sugar intake effectively, keep an eye on nutrition facts labels and ingredients lists. 

You can track the effects of hidden sugars on your glucose using a continuous glucose monitor (CGM) like Lingo. These devices provide data that can help you work out which foods might work for you to keep your glucose steady. 

The Lingo system is not for medical use and intended for users 18 years and older. Lingo is not intended for diagnosis or management of any disease including diabetes. 

The Lingo programme does not guarantee that everyone will achieve the same results as individual responses may vary. It is best to speak to your doctor for advice on starting any diet or exercise regime or if you have an eating disorder or a history of eating disorders. 

© 2025 Abbott. All rights reserved. The biosensor housing, Lingo, and related marks are marks of the Abbott group of companies. Other marks are the property of their respective owners.

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