HerbilousOpen the interactive guideHERB PROFILE · EDUCATIONAL REFERENCE
Rosemary
Important safety information: Leaf, extract and essential oil are not interchangeable. Medicinal use requires review with pregnancy, breastfeeding, iron deficiency or anaemia, seizure risk, gallstones or biliary disease, and anticoagulant, blood-pressure or diabetes medicines. May cause allergy or contact dermatitis; never swallow ordinary essential oil or apply it neat.
Herbal actions
- Carminative
- spasmolytic
- circulatory stimulant traditionally
- cognitive stimulant traditionally
- antioxidant activity in extracts
- antimicrobial activity in vitro
- mild topical analgesic and rubefacient
- hepatoprotective activity preclinically
Traditional and practitioner uses
These uses are presented for historical and educational context. They are not treatment claims.
- Dyspepsia, bloating and mild digestive spasm
- Traditional mental alertness and memory support
- Traditional peripheral-circulation support
- External minor muscle, joint and neuralgic discomfort
- Traditional scalp rinse for dandruff and hair care
Main constituents
Volatile oil including 1,8-cineole, camphor, borneol and verbenone; rosmarinic acid; carnosic acid and carnosol; flavonoids; triterpenes
Preparation overview
Tea: Covered infusion. Fisher records 2–4 g up to three times daily. Treat this as a source-specific practitioner reference, not a universal household dose.
Liquid extract reference: 1:2 liquid extract: 2–4.5 mL/day (15–30 mL/week)
Preparation strengths are not interchangeable. Open the interactive guide for the complete evidence notes and sources available for this herb.
Herbilous provides educational information only. It does not diagnose, prescribe, or replace professional medical advice. Seek urgent care for severe or worsening symptoms.