Summary
Rosmarinic acid is a plant-based compound found in a wide variety of spices, but most well known for being the active ingredient in Rosemary and Perilla Oil.
It displays general anti-oxidant and anti-inflammatory effects, and may protect against various forms of cancers. Additionally, it can be absorbed through the skin when in an ethanol base (typically perillyl alcohol).
Dosage information
A standard dose is 200-300mg active Rosmarinic acid (check source for extract percentage) for oral ingestion.