Rosemary contains various bioactive compounds such as rosmarinic acid, essential oils, and flavonoids. Rosmarinic acid is a major component found in rosemary and is known for its antioxidant and anti-inflammatory properties. It has been studied for potential therapeutic applications, including neuroprotective effects and antimicrobial activity. Rosemary essential oil contains several volatile compounds, including camphor, 1,8-cineole (eucalyptol), and alpha-pinene. These compounds contribute to the characteristic fragrance of rosemary and possess potential therapeutic effects, such as respiratory support and antimicrobial activity. Flavonoids found in rosemary, such as apigenin and luteolin, also contribute to its potential health benefits. Flavonoids have antioxidant and anti-inflammatory properties and may have various effects on human health, including potential anti-cancer activity. Rosemary is commonly used as a culinary herb and is also utilized in traditional medicine and herbal preparations. It is often incorporated into essential oils, herbal teas, and dietary supplements. Rosemary products are believed to have potential benefits in supporting digestion, cognitive function, and overall well-being.