Coriander is an annual herb in the family Apiaceous. One cup of raw cilantro weighing about 16 grams (g) provides: 3.68 calories. 0.083 grams (g) of fat. 0.587 g of carbs. Cilantro also contains vitamins C, provitamin A, and K. Coriander has multiple health benefits. Coriander or cilantro is a wonderful source of dietary fiber, manganese, iron and magnesium as well. In addition, coriander leaves are rich in Vitamin C, Vitamin K and protein.