[00_The_Case] Compositional facts only // sources at the end
Why sucralose is the best sugar substitute.
Not a vibe — a spec sheet. Sucralose is ~600x sweeter than sugar, zero-calorie, clean-tasting, instantly soluble, shelf-stable for years, and the most cost-efficient sweetness that exists. This page makes the whole argument with numbers, honest limits included.
[01_The_Efficiency_Math]
600x changes the economics entirely.
Sucralose is roughly 600 times sweeter than sucrose, gram for gram. That single number does most of the work: one kilogram of pure sucralose carries the sweetening power of about 600 kilograms of sugar. Even at retail prices for lab-tested, FCC-grade powder, that works out to roughly 1–5 cents per pound-of-sugar-equivalent of sweetness. Nothing else on the market is close.
High-intensity alternatives like stevia and monk fruit are less sweet per gram and cost several times more per unit of sweetness. Bulk sweeteners like allulose and erythritol are less sweet than sugar itself — you buy and ship them by the pound, so their cost per unit of sweetness runs 100x or more above sucralose.
| Sweetener | Sweetness vs sugar | Cost of 1 lb-sugar-equivalent sweetness | Note |
|---|---|---|---|
| Sucralose | ~600× | ~1–5¢ | Milligrams do the work of cups |
| Stevia (Reb A) | ~100–300× | ~3–10× sucralose's cost | Higher extract cost per unit of sweetness |
| Monk fruit | ~150–300× | Premium — highest of the high-intensity options | Costly extraction; usually sold blended |
| Allulose | ~0.7× | 100×+ worse per unit of sweetness | Bulk sweetener — you buy it by the pound |
| Erythritol | ~0.6–0.7× | 100×+ worse per unit of sweetness | Bulk sweetener — sugar-like volumes required |
MATH: 1 TSP SUGAR ≈ 7 MG SUCRALOSE // 1 CUP ≈ 333 MG — run your own numbers in the converter or read the full economics breakdown.
[02_Taste_Profile]
It tastes like sugar. The others don't, quite.
Because sucralose is made from sugar — sucrose is the starting molecule, selectively modified in three positions — its sweetness profile is the closest of any high-intensity sweetener to sugar itself: fast, clean onset, and no trailing off-notes at normal use levels.
[vs_Stevia]
No bitter, licorice-like aftertaste. Stevia's steviol glycosides read distinctly 'herbal' to many palates, especially at higher concentrations.
Full comparison[vs_Erythritol]
No cooling effect. Erythritol pulls heat as it dissolves, giving baked goods and frostings a minty-cold mouthfeel sucralose never has.
Full comparison[vs_Aspartame]
No PKU warning label, and no breakdown in liquids over time — aspartame loses sweetness in solution and can't take heat.
Full comparison[03_Functional_Comparison]
The full spec grid, side by side.
Compositional and functional properties only — what each sweetener measurably is and does in a formulation. For head-to-head deep-dives, every column links to a full article.
| Property | Sucralose | Stevia | Monk fruit | Allulose | Erythritol | Aspartame |
|---|---|---|---|---|---|---|
| Sweetness vs sugar | ~600× | ~100–300× | ~150–300× | ~0.7× | ~0.6–0.7× | ~200× |
| Calories | 0 | 0 | 0 | ~0.4 kcal/g | ~0.2 kcal/g | ~4 kcal/g (negligible at dose) |
| Aftertaste | None — clean, sugar-like | Bitter / licorice | Mild fruity note; blend-dependent | Clean | Cooling effect | Clean-to-slight lingering |
| Dose for 1 cup sugar equivalent | ~333 mg | ~0.7–2 g | ~0.7–1.3 g | ~1.4 cups | ~1.4 cups | ~1 g |
| Solubility | Instant, hot or cold | Good (extracts vary) | Good (usually pre-blended) | Good | Slow in cold; recrystallizes | Moderate |
| Heat handling | Stable dissolved in finished products; not for dry heat >~120°C | Heat stable | Heat stable | Browns fast; can over-caramelize | Stable; recrystallizes on cooling | Breaks down with heat |
| Fermentable | No — homebrew-safe backsweetener | No | No (check blend carriers) | Mostly not | No | No (degrades over time in liquid) |
| Shelf life (dry) | Multi-year (3+ years) | Multi-year | Multi-year | Multi-year (hygroscopic) | Multi-year | Multi-year dry; limited in solution |
| Label warnings | None | None | None | None (excluded from added sugars in US) | Laxation notice at high doses (sugar alcohol) | PKU warning required (phenylalanine) |
[04_Applications]
Where it wins, and the one place it doesn't.
[Beverages]
The dominant use case for a reason: instant solubility hot or cold, stable sweetness for the life of the drink, and doses measured in milligrams. Coffee, tea, soda, sports drinks, syrups.
Open the converter[Baking]
Works dissolved into wet batters, custards, fillings, and glazes. The honest limit: for dry, high-heat baking above ~120°C (250°F), BfR advises against sucralose — it can begin to decompose. Sweeten after the heat instead. We say this plainly because it's true.
The baking guide[Homebrew]
Sucralose is non-fermentable — yeast can't touch it. That makes it the standard back-sweetener for cider, seltzer, and mead: full sweetness, zero risk of bottle bombs or refermentation.
Backsweetening guide[Formulation]
Works at ppm concentrations in nearly any matrix, blends cleanly with bulk sweeteners for sugar-like body, and holds spec for years. Volume lots ship with COA, spec sheet, SDS, and allergen statements.
Request a quote[05_The_Study_Record]
The most-reviewed sweetener dossier in food.
The U.S. FDA approved sucralose in 1998 for 15 food categories and expanded it to a general-purpose sweetener in 1999, after reviewing more than 110 safety studies in animals and humans. The authorization is codified at 21 CFR 172.831, with an Acceptable Daily Intake of 5 mg per kg of body weight per day — a ceiling set about 100-fold below the highest no-effect dose in the underlying studies. The European Food Safety Authority permits sucralose in the EU as additive E955, and regulators in Canada, Australia, New Zealand, Japan and dozens of other jurisdictions have cleared it.
Nearly three decades later, sucralose accounts for roughly 62% of the US high-intensity sweetener market — it is the sweetener already inside thousands of products on every grocery shelf.
And because honesty is the brand: the debate is real and we don't pretend otherwise. A 2024 randomized controlled trial and 2023 in-vitro work on the sucralose-6-acetate impurity have raised questions researchers are actively arguing about. We lay out the evidence in both directions, with primary sources, in our safety evidence review — and we publish the full third-party lab panel for every batch, including the S6A impurity result, at our COA lookup. Read it all and decide for yourself.
[06_FAQ]
Frequently asked questions
[07_Next]
Convinced by the numbers? Good. That was the point.
Pure, single-ingredient sucralose — no maltodextrin fillers — with a published third-party COA for every batch. Or keep comparing: the head-to-heads are all in the Learn hub.