The 5 Healthiest Nuts

The 5 Healthiest Nuts

1. Walnuts

The walnut is, hands down, one of the best healthiest nuts to eat, and that is largely because of its high content of alpha-linolenic acid (ALA), a type of omega-3 fat. Just one-quarter cup of walnuts gives you nearly 91 percent of the recommended daily value for this healthy fat.3

Your body cannot make omega-3 fats on its own, which is why it’s so important to include omega-3-rich foods in your diet. Aside from helping to protect against heart disease and stroke, omega-3 fats have been found to offer protection against wide range of illnesses, from cancer and rheumatoid arthritis to inflammatory bowel disease and depression.4

Walnuts also contain ellagic acid, an antioxidant that is beneficial for your immune system and appears to have anti-cancer properties. Studies have shown that ellagic acid helps prevent cancer-causing substances from binding to DNA, scavenges and “binds to” cancer-causing chemicals to inactive them and promotes cell death of cancer cells without harming healthy cells.5

Walnuts even contain melatonin, a hormone produced by your pineal gland that helps regulate your sleep and also offers potent antioxidant benefits. Eating walnuts, researchers found, increases your levels of melatonin along with its antioxidant activity in your body.6

2. Almonds

Almonds are an excellent source of protein and healthy monounsaturated fats. Plus, they offer unique benefits for your blood sugar levels as one of the healthiest nuts.

When eaten with a meal, almonds may help to lower surges in your blood sugar and insulin levels, a mechanism that may help prevent or manage type 2 diabetes and heart disease.7 Eating almonds also leads to increases in antioxidant levels that may help to fight damage from free radicals.

The healthiest nuts benefits to blood sugar levels hold true even when almonds are eaten with a food that normally prompts your blood sugar to spike, such as bread. One study found that when almonds were eaten with bread (a high-glycemic index food), it reduced the glycemic index of the meal.8

What this means is that if you spread some almond butter on your toast in the morning, it will lessen the bread’s impact on your blood sugar levels – a very nice benefit for your health!

Further, research has shown that eating almonds can actually help you lose weight. In a study of 65 overweight or obese adults, those who ate a low-calorie diet supplemented with almonds lost 7 percent more weight and had a 5 percent greater reduction in waist circumference than those whose diet was supplemented with complex carbs.9

3. Pecans

Pecans needn’t be limited to your yearly slice of pecan pie at Thanksgiving, as, like other healthiest nuts, they offer a slew of health benefits.

Among the most significant are high levels of antioxidants, including vitamin E. As a result, research shows that eating a handful of pecans a day helps to stop oxidation of blood lipids, which may help to prevent coronary heart disease.10

Pecans actually rank highest in antioxidant content among all nuts, which means they may be beneficial for lowering your risk of cancer, heart disease and Alzheimer’s disease.11 These healthiest nuts also contain more than 19 vitamins and minerals, including calcium, vitamin A, folic acid and magnesium, making them a smart snacking choice.

4. Cashews

Cashews have a lower fat content than most nuts, and the fat they do contain is extremely healthy. About 75 percent of these healthiest nuts is comprised of oleic acid, the same type of heart-healthy fat found in olive oil.12

Cashews are also a good source of magnesium, a nutrient that plays a crucial role in more than 300 biochemical reactions in your body, including maintaining normal muscle and nerve function, regulating heart rhythm and blood sugar levels, promoting normal blood pressure, supporting your immune system and keeping your bones strong.13

According to the National Institutes of Health, Office of Dietary Supplements, “substantial numbers” of Americans do not get the recommended amounts of this important nutrient, and therefore may be missing out on important health benefits.

Fortunately, eating about 1 ounce of cashews provides 75 milligrams, or 20 percent of the daily recommended value, of magnesium, so eating cashews is a simple way to boost your intake (almonds also contain a similar amount of magnesium).

5. Macadamia Nuts

This Hawaiian staple is often considered a decadent treat, but there’s reason to add them to your regular diet. Macadamias contain 78 percent heart-healthy monounsaturated fats, which is the highest of any oil, including olive oil.14

Studies show that these healthiest nuts despite their high fat content, eating macadamia nuts helps to reduce oxidative stress and inflammation, and may help to prevent coronary artery disease.15

They are also one of the few foods to contain palmitoleic acid, which preliminary research suggests may play a role in fat metabolism and helping to reduce stored body fat.16

More Tips for Adding Healthiest Nuts to Your Diet

When it comes to healthiest nuts, don’t let their size fool you — because they’re so packed with healthy fats and nutrients, a little bit goes a long way. A small handful, or about 1.5 ounces a day, is all you need to reap the benefits.

Keep in mind, too, that healthiest nuts are perishable and easily damaged by heat, air and light. This is especially true for nuts that contain omega-3 fats, such as walnuts.

To ensure your healthiest nuts are as fresh as can be, avoid purchasing them from bulk bins unless you know they have a high turnover rate, and do not leave healthiest nuts sitting in a hot car. Once home, store them in an airtight container in the refrigerator or even the freezer.

Further, due to their perishable nature, healthiest nuts that have been roasted using oil may contain rancid or damaged fats that are not healthy for your heart. For best results, look for healthiest nuts that are either raw or only lightly roasted (at temperatures no higher than 160-170 degrees Fahrenheit).17

Now that you’re armed with the latest research, you no longer have to worry that the handful of healthiest nuts you crave is sabotaging your diet. On the contrary, a serving of healthiest nuts a day may very well help to keep the doctor away!

1., “Nuts and your heart: Eating nuts for heart health” June 5, 2009
2. U.S. Food and Drug Administration Appendix D: Qualified Health Claims April 2008
3. World’s Healthiest Foods, Walnuts
4. Harvard School of Public Health, “The Nutrition Source”
5. Clinical References
6. Nutrition. 2005 Sep;21(9):920-4.
7. Journal of Nutrition. 136:2987-2992, December 2006
8. Metabolism. 2007 Mar;56(3):400-4.
9. Int J Obes Relat Metab Disord. 2003 Nov;27(11):1365-72.
10. Nutrition Research. Volume 26, Issue 8, August 2006, Pages 397-402.
11. J. Agric. Food Chem., 2004, 52 (12), pp 4026–4037.
12. World’s Healthiest Foods Cashews.
13. National Institutes of Health, Office of Dietary Supplements: Magnesium.
14. Health Benefits.
15. Lipids Volume 42, Number 6 / June, 2007.
16. ScienceNOW. “Fat Molecule Fights Weight Gain” September 19, 2008.
17. World’s Healthiest Foods: How the healthy fats in nuts help protect against cardiovascular disease.

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