Anise seeds provide a sweet taste similar to that of black licorice when used in foods. They can calm an upset stomach and help with coughs and runny noses. Thanks to presumed estrogen-like properties, anise may increase milk flow in breastfeeding mothers, treat menstrual symptoms and boost libido, according to WebMD. It's also a good source of fiber and calcium, among other nutrients, and a very good source of iron, with 2.4 milligrams in just one tablespoon.
The leaf and berry are helpful in treating a vast array of ailments: calming anxiety, lowering inflammation and blood pressure and strengthening the immune system, according to WebMD.