 In 2018, the Federal Trade Commission (FTC) warned Epperly that it is against the law to advertise a product's health benefits without proper scientific support.Jilly Juice is a concoction of water, salt, and fermented cabbage or kale.According to its proponents, the recipe for Jilly Juice includes two cups of water, a tablespoon of Himalayan pink salt, and two cups of cabbage or kale.