High selenium content. 1 Brazil nut provides 100% of the daily value for selenium. Boosts activity of antioxidants. Increases vitamin E function in body. Rich in palmitoleic acid & oleic acid (heart health). Omega-6 fatty acids. Contains all essential amino acids. Copper, magnesium, manganese, potassium, calcium, iron, phosphorus, zinc. Strengthens immune system. Vitamin E & B-Complex group, thiamin (B1). Energy metabolism, nervous system health.