13-C Fensatin XXI Soria Natural is a dietary supplement presented in convenient plant-based capsules designed to naturally boost and reinforce the immune system. Its formulation is based on natural extracts of echinacea (Echinacea angustifolia D.C.) and propolis, known for their beneficial properties and ability to strengthen the body's defenses. The capsules are formulated for optimal absorption and utilization, and their prolonged release technology ensures that the effects last throughout the day. It is recommended to take 1 capsule daily every 12 hours with a large glass of water. It is an ideal option for those looking to naturally strengthen their defenses without chemical additives.