Monograph
Rosemary Extract: A Practical Guide
Overview Rosemary (Salvia rosmarinus, formerly Rosmarinus officinalis) is a Mediterranean aromatic herb whose extract is rich in polyphenolic diterpenes—primarily carnosic acid and carnosol—as well as rosmarinic acid (a caffeic acid derivative), ursolic acid, and flavonoids. Rosemary extract…
By Kristopher Crawford
·
13 May 2026
·
3 min read
Overview Rosemary (Salvia rosmarinus, formerly Rosmarinus officinalis) is a Mediterranean aromatic herb whose extract is rich in polyphenolic diterpenes—primarily carnosic acid and carnosol—as well as rosmarinic acid (a caffeic acid derivative), ursolic acid, and flavonoids. Rosemary extract…
In the full monograph
- What it is, and how it works
- What the evidence shows — randomized trials, observational data, animal studies, graded and cited
- Dose, form, and timing
- What to expect, and how soon
- Who should be careful, and what to check first
- The verdict
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