Cleanse your body and supercharge your immune system to fight off illness and feel better faster. Whether you have a cold, the flu, or another medical condition, having an illness puts extra demands on the body during the recovery process. Your body needs more vitamins and nutrients than usual to fight off your illness. Boosting your antioxidant levels can also help accelerate the recovery process. Fluids help your body flush out toxins, thin mucus to improve your congestion, and restores fluids lost if you have been feverish. IV therapy for illness has the added benefit of hydrating you while providing essential vitamins and antioxidants.