Is There A Vegetarian Substitute For Gelatin?

Is There A Vegetarian Substitute For Gelatin? Agar Agar. One of the most common vegetarian alternatives to gelatin is agar agar. Production of this flavorless thickening agent involves cooking and pressing seaweed, typically until it reaches a powdered or flaked form. What can I use instead of gelatin? Generally, agar agar powder can replace gelatin