Saponins are plant compounds that possess unique properties and are widely used in the food and pharmaceutical industries. They contribute to foam formation when whisking products. Saponins may also have a positive impact on digestion and possess antioxidant properties. It is important to note that some people may experience allergic reactions to saponins, so caution is advised when using products containing these compounds. Foods rich in saponins and suitable for consumption on a keto diet include: Avocado, Spinach, Asparagus.