Agar, or agar-agar, is a jelly-like substance, obtained from red algae. Agar is a mixture of two components: the linear polysaccharide agarose, and a heterogeneous mixture of smaller molecules called agaropectin. Agar-agar contains few calories and is low in saturated fat and cholesterol. It is an excellent source of calcium, iron, folate, fiber, and manganese. There is no sugar or carbohydrates in agar Country of origin United States.