Brazil nuts are a nutritional powerhouse. These large nuts grow on giant trees, primarily in the rain forests of Peru, Brazil and Bolivia. Brazil nuts, like other nuts, are high in calories -- 190 per oz., which equals just 6 kernels -- but they're a nutrient-dense source of essential vitamins, minerals and healthy fats.
Prevent Cancer
Brazil nuts are chock full of selenium -- 1 oz. contains 544 mcg, or 780 percent of the recommended daily value -- by far the best food source of this essential mineral. Some studies indicate that people with a higher intake of selenium have a lower rate of death from cancer, including cancers of the colon, rectum, prostate and lung, according to the Office of Dietary Supplements. Selenium may prevent cancer because it's an antioxidant that protects cells from damage. Too much selenium can be toxic, however.
Reduce Risk of Heart Disease
Brazil nuts, like most other nuts, reduce the risk of heart disease, heart attack and sudden cardiac death. As little as 1 oz. of nuts several times per week can confer this benefit, according to the Harvard School of Public Health. Brazil and other nuts contain monounsaturated fats that increase protective high-density lipoprotein cholesterol and reduce harmful low-density lipoprotein cholesterol. Nuts also contain arginine, an amino acid that eases blood flow by relaxing blood vessels, and other nutrients known to be beneficial to the heart, including folic acid, fiber and vitamin E.
Provide Essential Minerals and Other Nutrients
Brazil nuts are a good source of several minerals. A handful of just six nuts contains 25 percent of the daily value of magnesium, 20 percent of phosphorus, 25 percent of copper and 12 percent of thiamine based on a 2,000-calorie diet. One ounce of Brazil nuts also provides 4 g of protein, 2 g of fiber, 187 mg of potassium and zero cholesterol.
Include Brazil Nuts in Your Diet
Brazil nuts are high in calories -- 190 per oz.-- but rich in nutrients. Eat 1 oz. of Brazil nuts each day, and you could gain 10 pounds in one year. Extra weight increases your risk of heart disease, which negates the nut's heart-health benefits. Replace your empty-calorie snacks -- chips, candy, pretzels and cookies -- with Brazil nuts and reap the health benefits without gaining weight.
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