Coriander is a fragrant, antioxidant-rich herb that has many culinary uses and health benefits. It may help lower your blood sugar, fight infections, and promote heart, brain, skin, and digestive health. You can easily add coriander seeds or leaves — sometimes known as cilantro — to your diet. Keep in mind that many of the above studies use concentrated extracts, making it difficult to know how much coriander seeds or leaves you would need to eat to reap the same benefits. Disclaimer: Please note that the image is used for presentation purposes only.