Carnosol is a natural compound found in the leaves of the rosemary plant (Rosmarinus officinalis). It belongs to a group of compounds known as diterpenes and is recognized for its potential health benefits, including antioxidant and anti-inflammatory properties. Research suggests that carnosol may help protect against certain diseases, including some types of cancer, by neutralizing harmful free radicals in the body. Additionally, it may support brain health and improve memory function, making it a topic of interest in nutritional and medicinal studies.