Hookworms affect hundreds of millions of people around the world each year, and are considered one of the most common parasitic infections to affect human beings. Fortunately, the powerful antibacterial, antiviral and antiparasitic qualities found in garlic can help to counter the effects of hookworms and help to eliminate them from the body. Garlic is also a stimulant for the circulatory system, improving healing and repair following an infection. Garlic powder, supplements, and eating it in its natural form are all effective remedies for hookworms and other parasitic infections.