The increasing debate around seed oils has prompted a thorough examination of their health implications, nutritional value, and the validity of numerous health claims. Advocates argue that these oils are beneficial due to their heart-healthy properties, while critics raise concerns about the method of extraction and the potential adverse effects on health. This article aims to fact-check the various assertions made about seed oils, providing a comprehensive overview of their role in diets, the science behind their health claims, and recommendations for consumers.