Superfoods are foods — mostly plant-based but also some fish and dairy — thought to be nutritionally dense and thus good for one's health. Blueberries, salmon, kale and acai are just a few examples of foods that have garnered the "superfood" label.
However, there are no set criteria for determining what is and what is not a superfood, according to the American Heart Association.
"Superfoods don't have their own food group," said Despina Hyde, a registered dietician with the weight management program at New York University's Langone Medical Center. "As a dietician, I think 'superfood' is more of a marketing term for foods that have health benefits."
Consuming foods that are packed with nutrients (as many so-called superfoods are) is certainly a good idea, Hyde told Live Science. But the key to a healthy diet is to consume a variety of nutritious foods in the right quantities, she added.
Popular superfoods
1. Greek Yogurt
Regular yogurt’s thicker, creamier cousin is chock-full of protein and probiotics. It fills the belly, improves digestion, and bolsters the immune system. Plus, it's a great healthy recipe substitute for sour cream, cream cheese, and even mayonnaise!
2. Quinoa
This teeny-tiny, grain-like seed packs some serious nutritional prowess. With a mild, nutty flavor and a texture similar to rice or couscous, quinoa is one of the only grains or seeds that provides all nine essential amino acids our bodies can't produce themselves . And it's filled with protein— eight grams per one-cup serving, to be exact!
3. Blueberries
Don’t worry; these berries won't cause an oompa-loompa-like reaction. In fact, they're nutritional superstars, filled with fiber, vitamin C, and cancer-fighting compounds. And studies suggest blueberries may even improve memory !
4. Kale
This rough and tough green beats out all the rest in terms of nutrition, providing more antioxidants than most other fruits and veggies! It's also a fantastic source of fiber, calcium, and iron. Prepare it virtually any way, from boiled or steamed to roasted (try it as a chip!) or stewed.
5. Chia
Ch-ch-ch-chia! Yep, this little seed is the same as those adorable little ceramic animal planters of the 90s! But don’t worry, the nutritious part is not the clay pot. Chia seeds are actually loaded with the most essential fatty acids of any known plant! Plus, one serving of the stuff is loaded with magnesium, iron, calcium, and potassium.
6. Oatmeal
High in fiber, antioxidants, and tons of other nutrients, this breakfast staple has been shown to help lower cholesterol levels, aid in digestion, and even improve metabolism . And it's downright delicious— especially when flavored like pumpkin pie!
7. Green Tea
This ages-old health secret has been used as a natural remedy for everything from cancer to heart disease ! The secret to this delicious drink? Antioxidants! The main superhero here is Epigallocatechin gallate, or EGCG, a phytochemical that slows irregular cell growth, which could potentially help prevent the growth of some cancers .
8. Broccoli
This lean, mean, green machine is packed with vitamins, minerals, disease-fighting compounds, and the fiber essential in any diet. Though all members of the cruciferous vegetable family are super-duper healthy, broccoli stands out for its exceptionally high levels of vitamin C and folate (which can reduce risk of heart disease, certain cancers, and stroke) .
9. Strawberries
Vitamin C is the superstar of this superfood. Just one cup of these red beauties satisfies the daily requirement for vitamin C (74 milligrams per day for women, 90 for men)! Studies suggest the antioxidant helps build and repair the body's tissues, boosts immunity, and fights excess free radical damage. And the vitamin C in strawberries could help promote healthy eye function .
10. Salmon
This heart-healthy fish is packed with protein and a healthy dose of omega-3 fatty acids, which studies suggest may help reduce the risk of cardiovascular disease. And bonus points: Salmon may also protect skin from the sun and the damaging effects of UV rays .
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