Pine nuts are the seeds produced by a variety of pine trees. They are covered by a hard shell on the pine cones. Some of the varieties are the Pinus Pin, also known as stone pine, Pinus Edulis which grows in the southwest US, and Pinus Cembroides which is a Mexican pine nut. There are also Chinese, European, and Korean pine nut varieties.

The size of the pine nut ranges from 1 to 5 cm in length. Most pine nuts are harvested by hand which is why they are so expensive to buy.

Pine nuts are known to be good for the heart, eyes, digestive system, gastrointestinal problems, and help with inflammatory and autoimmune disorders. They are high in antioxidants and contain pinoleic acid which helps to stimulate hormones, and acts as an appetite suppressant which is helpful in weight loss.

Also the oil in pine nuts is extracted and used as a dietary supplement or in weight loss to help suppress the appetite. Pine nut oil also reduces cholesterol and helps with hypertension.

Pine nuts contain arginine and potassium which prevent heart disease; beta-carotene, amino acids, copper, iodine, iron, magnesium, and zinc. Also they are high in vitamin E and vitamins B1, B2, and B3.

They are high in oleic acid, a monounsaturated fat which helps the liver; they also contain Omega 6 and 9 fatty acids, fiber, and more protein than any other nut or seed.

Pine nuts have a slightly bitter taste to them and can be eaten raw or toasted, by themselves or mixed into a trail mix. They are good when sprinkled on salads, pasta, or when added to soup. They are also good to make pesto or dip.

Pine nut oil has a mild and nutty flavor and can also be used in salads, pasta or soups.