Most of the world’s macadamia nuts come from South Africa. In a 100-gram amount, macadamia nuts provide 740 Calories and are a rich source of numerous essential nutrients, including thiamine, vitamin B6, manganese, iron, magnesium, and phosphorus. Macadamia nuts are 76% fat, 14% carbohydrates, including 9% dietary fiber, and 8% protein. Compared with other common edible nuts, such as almonds and cashews, macadamias are high in total fat and relatively low in protein . They have a high amount of monounsaturated fats and contain, as 17% of total fat, the monounsaturated fat, omega-7 palmitoleic acid.