Rosemary is an aromatic plant that originated from the Mediterranean region, and is widely used as a common household culinary spice for flavoring. -Thanks to its biological properties, rosemary exerts numerous beneficial properties including antioxidant, analgesic, and neuroprotective effects. Traditionally, its fresh or dried leaves are used to make tea to relieve the symptoms of gastrointestinal disorders and inflammatory diseases that cause a feeling of pain. -The phenolic compounds of rosemary are responsible for the antimicrobial and anti-inflammatory properties, contributing to the treatment of oral microbial infections by reducing the initial bacterial adhesion and biofilm formation and gingival bleeding. -Rosemary’s secondary metabolites are considered to be effective antimicrobial agents for the management of drug-resistant bacteria as well as some food pathogens. -Rosemary phenolic compounds, especially carnosic acid, are believed to have the ability to inhibit inflammatory cytokines preventing inflammatory signaling and insulin resistance, which is the main characteristic of type 2 diabetes. -Due to its carnosol content, rosemary is believed to help maintain low levels of fatty acids and glucose in the blood. -The antioxidant property of rosemary is thought to be able to strengthen the body’s defenses and exert a neuroprotective effect in cases of neurodegenerative conditions, such as Parkinson’s and Alzheimer’s. – Rosemary has also been found to be a relaxing herb, relieving from stress and anxiety, boosting memory, and improving sleep quality.