Dietary Supplement Tasteless & Odorless Garlic and its key constituents have been the subject of hundreds of scientific studies. Garlic has been used worldwide for thousands of years for nutrition and health. Source Naturals Garlic Oil contains true oil of garlic extracted from whole fresh garlic bulb, and suspended in pure soybean oil. It is a convenient way to receive the benefits of garlic in concentrated form, without the taste and odor.