Hazelnuts contain significant amounts of vitamin B6, folate, phosphorus, potassium, and zinc. They are also a rich source of monounsaturated and polyunsaturated fats, including omega-6 and omega-9 fatty acids such as oleic acid.
The minerals and vitamins they provide support heart health. Hazelnuts are high in manganese, vitamin E, folate, thiamine, and fatty acids that enhance cognitive function and may help prevent degenerative diseases. Their abundant fiber, combined with potassium and magnesium, helps manage high blood pressure.
They also have anticancer properties due to antioxidants like vitamin E. The healthy fats and fiber in hazelnuts support metabolism and can promote weight management when consumed in moderation.