Let's GoNuts Brazil nuts are quickly becoming one of the hottest foods for improving health and longevity. Brazil nuts are the densest food source of bioavailable selenium. Selenium is an antioxidant that plays many important roles in our body. They are a great source of the antioxidant Vitamin E which is required to maintain cell membranes and protect the health of the skin. Brazil nuts are an excellent source of several B-vitamins, which range in functions from improving brain health to boosting the metabolism. You will also find nice amounts of copper, magnesium, potassium, calcium, and zinc in Brazil nuts too. Brazil nuts can be crushed and added to your favorite salad to provide some nice crunch. Toss 1 or 2 into your smoothie. Chopped and sprinkled on top of your favorite healthy dessert or yogurt.