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What is invert sugar? Sucrose split in two, where it shows up and how it counts as sugar.

Updated

Invert sugar is sucrose split into glucose and fructose. The FDA listing, why bakers use it, which shelves list it, and where it sits on the Nutrition Facts label.

Quick answer

Invert sugar is table sugar (sucrose) that has been split into its two simple sugars, glucose and fructose, by acid or an enzyme. The FDA describes it as an aqueous solution of inverted or partly inverted sucrose and lists it as generally recognized as safe under 21 CFR 184.1859. Bakers and candy makers use it because it stays moist and resists crystallizing. It is still sugar, and our checker does not flag it as an additive group.

FDA status
GRAS, 21 CFR 184.1859
Made by
Splitting sucrose with acid or enzyme
Our checker
Not flagged
In our catalog
29 current labels list invert sugar

01 · A closer look

What invert sugar is.

Table sugar is sucrose, one glucose joined to one fructose. Heating sucrose with a little acid, or treating it with the enzyme invertase, breaks that bond and leaves a mix of free glucose and free fructose. That mix is invert sugar. The FDA describes it as an aqueous solution of inverted or partly inverted, refined or partly refined sucrose, made by hydrolyzing sucrose with safe and suitable acids or enzymes.

21 CFR 184.1859: invert sugar

02 · A closer look

What the FDA says.

The FDA lists invert sugar among the substances affirmed as generally recognized as safe, for use in food with no limitation other than current good manufacturing practice, provided it is pure enough for its intended use. It is colorless and odorless apart from its sweetness.

21 CFR 184.1859: invert sugar

03 · A closer look

Why it is on the label.

Free glucose and fructose hold water and do not crystallize as readily as sucrose, so invert sugar keeps cookies soft, keeps bars chewy and keeps fondant and soft candy smooth. It is also sweeter than sucrose at the same weight, which lets makers use a little less.

04 · A closer look

How it counts on the Nutrition Facts label.

Invert sugar is a sugar added during processing, which is what the Added Sugars line on the Nutrition Facts label counts. Reading that line, not the ingredient name, tells you how much added sugar a serving has, and the FDA Daily Value for added sugars is 50 grams. An ingredient called invert sugar syrup is not a lower-sugar swap for sugar.

FDA: added sugars on the Nutrition Facts label

05 · A closer look

How our checker treats it.

Invert sugar is not one of the nine additive groups the checker flags, so it does not change a score by itself. Our score reads additives and sourcing claims, not sugar grams, so use the Added Sugars line for that.

21 CFR 101.9: nutrition labeling of food

From the catalog · 10 labels

Invert sugar in our catalog

Of the 4,729 products whose full ingredient list we have read in the last 90 days, 29 (from 19 brands) list invert sugar. The label wording is invert sugar, invert cane sugar or inverted sugar syrup. Below are up to 10 of them, one per brand; open a product to see its full label and the date we read it.

Invert sugar on current labels in the CleanFoodScore catalog (counted at the last site build)
Labels
Current, complete labels checked4,729
List invert sugar29 (0.6%)
Of those, no additive group flagged by the checker8 of 29
Also flagged: Seed Oils15 of 29
Also flagged: Corn Syrups7 of 29
Also flagged: Artificial Dyes5 of 29
Labels on the Cookies shelf8
Labels on the Snack bars shelf6
Labels on the Candy & gummies shelf5
Labels on the Sugar & sweeteners shelf3
Labels on the Bread shelf1

The short answer

Our picks for what is invert sugar?

Clear winnerWholesome Sweeteners Organic Pancake Syrup, 100/100: no tracked additive group on its label, verified organic claim.

Runners-up365 by Whole Foods Market Cola (71), Nakano Basil & Oregano Flavored Rice Vinegar (71), and Simple Truth Chocolate Chip Cookies (71).

Clear noMember's Mark Dark Chocolate Soft Sea Salt Caramels (lists corn syrups), Keebler Original Fudge Stripes Cookies (lists seed oils), MadeGood Crunchy Granola Squares – Blueberry & Vanilla (lists seed oils), plus 2 more with a listed group.

Ranked from 10 of 10 products with current labels. Every product is in the table below; a score reflects labels and claims, not nutrition, allergies or safety.

Compare the recorded labels

Find the ingredients that matter to you.

10 of 10 products

“No …” columns: None found on the label · Listed on the label · Unknown. Diet fit: Fits · Doesn’t fit · Unknown (rules; not medical advice). Claims: verified · not established. Default: most check marks first; not a health score.

Compare product claims and recorded ingredients. Click a column heading to sort.
Buy
100 / 1009 of 9 groups clear · organicFind where to buy ↗Product details →5
71 / 1009 of 9 groups clear · no organic claimProduct details →4
71 / 1009 of 9 groups clear · no organic claimFind where to buy ↗Product details →4
71 / 1009 of 9 groups clear · no organic claimProduct details →4
71 / 1009 of 9 groups clear · no organic claimProduct details →4
63 / 1008 of 9 groups clear · no organic claimFind where to buy ↗Product details →3
63 / 1008 of 9 groups clear · no organic claimProduct details →3
63 / 1008 of 9 groups clear · no organic claimFind where to buy ↗Product details →3
63 / 1008 of 9 groups clear · no organic claimProduct details →4
63 / 1008 of 9 groups clear · no organic claimProduct details →3
How the clean score works

No setup needed, and strict: a full 100 needs every additive group clear and a verified organic claim (animal foods also need a verified grass-fed or pasture-raised claim; wild seafood and salt, which have no USDA organic standard, are scored without the organic points, and plant-based milks, cheeses and proteins without the feeding claim). Points: the nine additive groups (seed oils, artificial dyes, MSG, artificial sweeteners, carrageenan, artificial preservatives, hydrogenated oils, corn syrups, banned-abroad additives) share 60 points equally — not found earns a group’s full share, “may contain” earns half, listed earns 0; a verified organic claim is worth 25; a verified grass-fed or pasture-raised claim is worth 15 and counts only for animal foods. No claim, or an expired or unverified claim, earns nothing, so products without those claims cannot reach 100. Unverified or expired ingredient labels receive no score. Equal scores are equal. Ties are ordered by brand. Unknown and stale evidence never passes “Only show matches.” Producer claims and prices do not affect this score. This is not a nutrition, allergy, or safety rating.

As an Amazon Associate I earn from qualifying purchases. Buying links do not influence ingredient results. “Buy on Amazon” opens a reviewed product listing; “Find where to buy” opens the maker’s page. Confirm the package, seller, stock, and current price before checkout. Price observations expire after 30 days.

Primary sources

Sources

  1. 21 CFR 184.1859: invert sugar law.cornell.edu
  2. FDA: added sugars on the Nutrition Facts label fda.gov
  3. 21 CFR 101.9: nutrition labeling of food law.cornell.edu