R87 drops are indicated for bacterial infections that may be internal or external. It strengthens weakened body immune system as preventive to bacterial infiltration. Its active ingredients acts as homeopathic immunomodulator that helps to modulate the immune system by activating and enlarging the function of macrophages (a type of white blood cells) which, in turn, helps to improve the immune response of the whole body.R87 boosts immunity while ensuring high safety without any side effects.