Technically a nut, hemp seeds are very nutritious. They have a mild, nutty flavor and are often referred to as hemp hearts. Hemp seeds contain over 30% fat. They are exceptionally rich in two essential fatty acids, linoleic acid (omega-6) and alpha-linolenic acid (omega-3). They also contain gamma-linolenic acid, which has been linked with several health benefits  Hemp seeds are a great protein source, as more than 25% of their total calories are from high-quality protein. That is considerably more than similar foods like Chia and Flaxseed which provide about 16–18%. Hemp seeds are also a great source of vitamin E and minerals such as phosphorus, potassium, sodium, magnesium, sulfur, calcium, iron and zinc  Hemp seeds can be consumed raw, cooked or roasted. Hemp seed oil is also very healthy, and has been used as a food/medicine in China for at least 3,000 years