Walnuts have an abundance of omega-3 fatty acids and "antioxidants". They also contain B complex vitamins and fibre in addition to minerals such as potassium, calcium, iron and copper. They are known to help prevent cardiovascular disease and possess "anti-carcinogenic" and "anti-inflammatory" properties. Also, they help regulate blood pressure and lower cholesterol levels, and prevent and treat diabetes by keeping blood sugar in check. Walnut oil is great for the skin and hair.

Walnuts can be consumed raw or in desserts such as brownies, bread, kheer etc. They are also used to make oils.