Dehydrocostus lactone is widely used in traditional medicine and modern pharmaceutical research due to its potent biological activities. It exhibits strong anti-inflammatory effects, making it valuable in the development of treatments for inflammatory diseases such as arthritis and inflammatory bowel disease. Its anti-cancer properties are actively studied, showing the ability to induce apoptosis in various cancer cell lines, including those of the liver, lung, and colon. It also demonstrates antimicrobial activity against a range of pathogenic bacteria and fungi, supporting its use in formulations targeting infections. Additionally, it has been explored for its anti-ulcer and gastroprotective effects, helping reduce gastric acid secretion and protect the stomach lining. Due to its natural origin and low toxicity, it is considered a promising compound for nutraceuticals and herbal-based therapies.