Rosemary leaf extract packs the active parts of the rosemary plant into a concentrated powder, standardized for rosmarinic acid and carnosic acid. Most people choose the extract over the whole leaf because it delivers the same key compounds in reliable amounts every time.
You can take it in a capsule alongside food to help your body absorb it. Some users report sharper recall and better focus when they add it to their routine.
Steer clear of medicinal doses during pregnancy. The extract can change how blood thinners like warfarin work, and it may shift blood pressure or interfere with water pills.