PetAg High Calorie Gel Cat Supplement, 3.5-oz bottle
Potassium sorbate is the potassium salt of sorbic acid, chemical formula CH3CH=CH−CH=CH−CO2K. It is a white salt that is very soluble in water. It is primarily used as a food preservative. Potassium sorbate is effective in a variety of applications including food, wine, and personal-care products.