Coa-FS is a potent plant extract and scientifically formulated as food supplement prepared in the state-of-the-art factory, Coa-FS has also been submitted to Noguchi Memorial Institute for Medical Research (NMIMR) and Centre for Scientific Research into Plant Medicine (CSRPM) for proper scientific analysis to confirm testimonies being collected from people who are using the product.The body system (Immune system) , made up of many organs and cells that defends the body against infection, disease and foreign substances. The immune system is often stimulated in specific ways to fight cancer cells. A system (including the thymus and bone marrow and lymphoid tissues) that protects the body from foreign substances and pathogenic organisms by producing the immune response. A system that provides a defense mechanism to organism, providing defensive measures against antigens which would prove harmful to the organism. If therefore the immune system becomes weak, it's unable to fight and prevent diseases creating a lot of health hazards.