Acesulfame Potassium (Ace-K)

What Is Acesulfame Potassium?

Acesulfame Potassium (Ace-K) is a non-nutritive, high-intensity sweetener produced by the reaction of acetoacetic acid with sulfamide, followed by cyclisation and neutralisation with potassium hydroxide to form the final potassium salt. The molecule provides no calories and is not metabolised by the body — it is absorbed and excreted unchanged in urine. Ace-K is approximately 200 times sweeter than sucrose at typical use levels, though — like most high-intensity sweeteners — it carries a mild bitter or metallic aftertaste at higher concentrations, which is why it is most commonly used in blend systems rather than as a standalone sweetener.

Specification & Form

*(Table is horizontally scrollable on mobile)*

How It's Sourced

YNP Ingredients sources Acesulfame Potassium from certified manufacturers in China, supplied in 25 kg fiber box packaging with FSSAI-compliant documentation.

Applications

• Sugar-free and reduced-calorie carbonated beverages, energy drinks, and RTD teas
• Confectionery, chewing gum, and throat lozenges requiring heat-stable sweetening
• Baked goods and heat-processed foods (monk fruit and stevia lack Ace-K's proven baking performance at scale)
• UHT-processed and cold-processed dairy products, flavoured yogurt, and nutritional beverages
• Multi-sweetener blend systems with sucralose, aspartame, or stevia

Industries Served

Functional Food/Beverage · Bakery & Confectionery · Dairy · Nutraceuticals/Dietary Supplements

Benefits

Ace-K's principal formulation advantage is thermal and pH stability — unlike aspartame, which degrades under heat and loses sweetness in baked or UHT-processed products, Ace-K remains fully stable through high-temperature processing and long shelf life. It has no impact on blood glucose or insulin response, making it suitable for diabetic and ketogenic-positioned formulations. Its strongest commercial use case is in synergistic blends: combining Ace-K with sucralose or aspartame allows both sweeteners to be used at lower individual doses, which reduces the bitterness and aftertaste each exhibits in isolation while achieving a more sucrose-like, rounded sweetness profile.

Buyer Checklist

• COA confirming assay, heavy metals, and microbiological parameters
• Confirmed USP / EP / FCC grade matches your target market's pharmacopoeia requirement
• FSSAI-compliant documentation confirmed
• 25 kg fiber box pack size and MOQ confirmed
• Blend ratio with sucralose, aspartame, or stevia tested for target sweetness profile and aftertaste

Common Mistakes

Using Ace-K alone at high inclusion levels instead of blending. At higher concentrations used alone, Ace-K's mild bitter/metallic aftertaste becomes noticeable. Most commercial formulations blend Ace-K with sucralose, aspartame, or stevia at lower individual doses to mask this and achieve a cleaner sweetness profile — using it as a standalone sweetener at full sweetness-equivalence is a common early-stage formulation mistake.