Fennel is an ancient and common plant known to ancient Greeks. Fennel is both an herb and a spice, It is approximately 1/4 to 1/2 inches long and has a green food color. It smells and tastes like anise with slight note of camphor. It is used as a multi-purpose spice in food, medicines, liquors and perfume. It is also exported in the form of seeds, powder and volatile oil. Yes. Eating fennel seeds has many benefits for your health. For example, it helps improve digestion, purifies the blood, regulates blood pressure, improves eyesight, treats IBS and constipation, reduces cancer risk, suppresses appetite etc. It also aids weight loss and is suitable for treating skin problems.