where is rosemary extract from
ROSEMARY Overview Information. Rosemary is an herb. Oil is extracted from the leaf and used to make medicine. Rosemary is used for digestion problems, including heartburn, intestinal gas (flatulence), liver and gallbladder complaints, and loss of appetite.It is also used for gout, cough, headache, high blood pressure, and reducing age-related memory loss.osemary is used for digestion problems, including heartburn, intestinal gas (flatulence), liver and gallbladder complaints, and loss of appetite. It is also used for gout, cough, headache, high blood pressure, and reducing age-related memory loss.