Acesulfame potassium in protein powder

What it is

Acesulfame potassium, also known as acesulfame K, is listed in US food rules as a general-purpose sweetener and flavor enhancer.

The ingredient lists here do not say why it was added.

How labels word it

• Acesulfame Potassium

Powders that list it (1)

• 5 Optimum Nutrition Gold Standard 100% Whey, Double Rich Chocolate Whey · 5 ingredients Protein Blend (Whey Protein Isolate, Whey Protein Concentrate, Hydrolyzed Whey Protein), Cocoa Powder (Processed with Alkali), Sunflower and/or Soy Lecithin, Natural and Artificial Flavor, Acesulfame Potassium

Sources

• 21 CFR 172.800, Acesulfame potassium
• FDA, Aspartame and Other Sweeteners in Food