Last reviewed May 2026 · 1 min read
Is Acesulfame-K (E950) vegan?
Also known as: Acesulfame Potassium, Ace-K, Sunett, Sweet One
E-number: E950
Vegan
Suitable for a vegan diet.
Yes — Acesulfame Potassium is entirely synthetic, created through a chemical process involving organic intermediates and potassium.
01 · The basics
What is Acesulfame-K (E950)?
A calorie-free artificial sweetener, also known as Ace-K, that is approximately 200 times sweeter than sugar. It is often blended with other sweeteners like sucralose or aspartame to create a more sugar-like taste.
02 · The source
Where it comes from
Acesulfame Potassium is entirely synthetic, created through a chemical process involving organic intermediates and potassium. It does not contain any animal products or byproducts at any stage of its production.
Frequently asked
FAQ
Is Acesulfame-K the same as aspartame?
No, they are different chemical compounds, though they are both artificial sweeteners often used together in low-calorie products. Ace-K (E950) is heat-stable and can be used in baking, while aspartame (E951) is not.
Why is Acesulfame-K often combined with other sweeteners?
Ace-K can have a slightly bitter aftertaste on its own. It has a synergistic effect when mixed with sweeteners like sucralose or aspartame, where the combination is sweeter than the sum of its parts and has a cleaner, more sugar-like flavor profile.
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