Naturlider Propolis and Echinacea is a natural supplement in capsule form that combines the properties of propolis and echinacea. Propolis is known for its antibacterial and antiviral properties, while echinacea is known for strengthening the immune system. This product is used to improve the bodys defenses, prevent colds and flu, and promote a healthy immune system. Ingredients The main active ingredients in this product are propolis and echinacea.