NATURAL IMMUNE SUPPORT: Resist immune challenges and work to help build your own body's natural defenses with Dr. Louie Yu Formulations’ Primal Aid. COMMON RESULTS: Our natural immune support supplement works best when taken preventatively .Take Primal Aid before you travel or at the first signs of the body getting run down. TARGETED FORMULA FOR NATURAL IMMUNE SUPPORT: Help support your body's immune system with Primal Aid. By relying on natural ingredients, our formula helps to build your body's natural resistance to immune challenges. SYNERGISTICALLY BLENDED by Dr. Louie Yu for greater effectiveness based on years of clinical experience.