Grow your own Fresh Parsley-from windowsill to the dinner plate is just an arms length away-with Capsule Terrarium. Parsley is often used as a garnish because of its color but don't think of it as just a garnish for your meals. Parsley is rich in vitamin C, B-12, K and A. Parsley can flush out excess fluid from the body, thus supporting your kidney. The folic acid in this herb is like a tonic for your heart.