Low-GI Sweetener

Low-GI sweetener is a positioning category that groups very different materials. This page explains the category and how formulators compare low-GI carbohydrates before choosing one.

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Low-GI sweeteners: a category, not a chemical class

Glycaemic index (GI) ranks carbohydrate foods by the blood glucose response they produce, compared with a reference carbohydrate. "Low-GI sweetener" is a market label built on that ranking.

Ingredients sold under this label are chemically diverse. They include slowly digested sugars, polyols and high-intensity sweeteners. They differ in energy content, bulk, sweetness and processing behaviour.

How formulators compare low-GI carbohydrates

  • Function: is the ingredient a digestible carbohydrate, a bulking agent or an intense sweetener used at trace levels?
  • Source of the GI figure: ask how it was measured, which reference was used and who ran the test.
  • Finished-product GI: a recipe's GI depends on the whole formulation, so plan to test the final product if you intend to state it.
  • Bulk replacement: check whether the ingredient can replace sucrose weight for weight or needs a bulking partner.
  • Labelling: some markets set conditions for "low GI" wording, and some run recognised testing or logo schemes.

Where FC's isomaltulose fits

Isomaltulose belongs to the digestible-sugar end of the category. It is a glucose–fructose disaccharide, described on the FC product page as fully digestible. A GI of 32, against 65 for sucrose, is stated on the FC product page. Regard these as supplier figures to verify, not values for your finished product.

Formulation notes

Because it is a sugar rather than an intense sweetener, isomaltulose contributes bulk as well as sweetness. Blends with other sugars or starches change the overall carbohydrate profile, so assess the finished recipe, not the ingredient alone.

What to ask your supplier

  • The GI test report or summary, with method, reference food and testing body.
  • A certificate of analysis with purity, identity method and residual sugars.
  • Heavy metals, microbiology and moisture results for each lot.
  • Regulatory status in your target markets and any conditions of use.
  • Specification sheet, origin, allergen and halal documents.

Any GI or related wording on a finished product must satisfy the rules of each market. To discuss specifications, WhatsApp us.