Phytochemicals are organic compounds that are present in plants and are beneficial for human health. These compounds are known for their antioxidant properties and are believed to prevent various diseases such as cancer, arthritis, and cardiovascular disease. Some synonyms for phytochemical are "plant chemicals," "plant-based antioxidants," "phytonutrients," and "phytohormones." These terms are often used interchangeably with phytochemical, and all refer to plant-derived substances that have health-promoting effects. Some common phytochemicals include flavonoids, carotenoids, and resveratrol. By incorporating plant-based foods into our diets, we can increase our intake of phytochemicals and reap the health benefits they offer.