Healing Through The Navel Therapy - Priscaved Immunity Booster Belly Button Oil is made with the virtue of Ayurveda which contains no toxic substances. It has the right mixture of oils which boosts your immune system, antioxidant levels, prevents arthritis, and also works as a natural antiseptic. The navel is the center point of the body and putting a few drops to it can strike the right veins and provide the right amount of nutrients.