Chemical free One of the most controversial and beneficial aspects of Brazil nuts is their surprisingly high content of healthy unsaturated fats, otherwise known as “good” forms of cholesterol or omega-3 fatty acids. This includes oleic acid and palmitoleic acid. These varieties of unsaturated fats have been connected with balancing the cholesterol profile of the body and improving general heart health, mainly by eliminating dangerous omega-6 fatty acids from the body and cardiovascular system.