Brazil nut is a large, nutrient-rich nut that grows on the Brazil nut tree, native to the Amazon rainforest in South America. It is distinguished by its unique flavor and high nutritional value. Brazil nuts are among the largest nuts, encased in a tough woody shell. Inside the shell, there are usually 12 to 20 individual nut kernels, arranged in a circular pattern. Brazil nuts are an excellent source of healthy fats, including monounsaturated and polyunsaturated fats. These fats support heart health by reducing bad cholesterol levels and maintaining good cholesterol levels.