Diabetes is a metabolic disorder during which the body has a reduced ability (or none at all) to produce the hormone insulin or the insulin is inactivated (insulin resistance). Insulin is a hormone produced by pancreas and has a key role in controlling blood sugar levels. Type 2 diabetes is also frequently associated with excess weight and high blood levels of fats. Wheatgrass, scientifically known as Triticum aestivum, is a herb from the wheat family. Wheatgrass is a natural source of vitamins A, C, E, K and B complex and minerals like iron, calcium, magnesium, selenium, amino-acids and chlorophyll, according to Memorial Sloan-Kettering Cancer Center.