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Every few months, it seems, there’s hype about the latest, hottest superfood. But lots of ordinary foods, many of which are stocked in nearly every grocery store in America, are “superfoods” brimming with various disease-fighting nutrients, usually without providing too many calories. ¶ The added bonus to eating more of these easy-to-find super-healthy foods? They won’t break the bank. These 12 healthy foods clock in at under a dollar per serving and deliver a lot more nutritional bang for your buck than the offerings you’d find on fast-food dollar menus.

1. Lentils

15 cents

cost per serving (1 cup)

Like beans, lentils are high in fiber and protein – 8 grams and 9 grams per half cup, respectively – which makes them great for your heart. They have the edge over beans, though, when it comes to preparation. Lentils cook up in only 15 to 30 minutes and don’t need to be presoaked.

2. Oats

10 cents

cost per serving (∑ cup, uncooked)

They offer a great way to get soluble fiber in your diet, delivering 3 grams per serving. Research suggests that increasing your intake of soluble fiber by 5 grams to 10 grams each day could result in a 5 percent drop in “bad” LDL cholesterol. Quick-cooking oats are just as healthy as steel-cut. Just steer clear of oatmeal packets loaded with added sugars.

3. Kale

60 cents

cost per serving (1 cup)

This veggie is an undisputed superfood. A single serving – 1 cup cooked – has 10 times the daily value of bone-healthy vitamin K. It also has three times the daily value of vitamin A and is high in lutein and zeaxanthin, which all help your vision. Plus, it’s pretty darn tasty.

4. Almonds

63 cents

cost per serving (1 ounce)

A 1-ounce serving – 23 nuts, 162 calories – has 37 percent of your daily value for vitamin E – a nutrient many Americans fall short on. Almonds also deliver some calcium, fiber and folate. Not only that, a serving of almonds has as many flavonoids as a cup of green tea, according to a study in the Journal of Agricultural and Food Chemistry.

5. Tea

10 cents

cost per serving (1 tea bag)

Why tea is so good for you: It’s a super-healthy, budget-friendly addition to your diet. Both green and black tea are loaded with antioxidants, which may boost your immune system and promote heart health. Scientists have found that those who drink 12 ounces or more of tea a day were about half as likely to have a heart attack as non-tea drinkers.

6. Oranges

34 cents

cost per serving (1 orange)

You can get your entire day’s worth of vitamin C in a single orange. Plus, oranges deliver fiber – 3 grams in one orange – and water to keep you full for only 70 calories. Not only that, their orange color means oranges deliver vision-boosting beta carotene.

7. Tuna

48 to 77 cents

cost per serving (3 ounces)

Sure, salmon gets a glowing – and well-deserved – rep for being a megasource of omega-3s. But did you know that lowly canned tuna also delivers omega-3s? Plus, the 2010 Dietary Guidelines recommend cutting back on meat; eating tuna up to twice a week is one way to do that. Look for chunk light tuna, which comes from smaller tuna fish and is lower in mercury than white albacore tuna.

8. Peanut Butter

21 cents

cost per serving (2 tablespoons)

Don’t knock peanut butter. Not only is it delicious and versatile, but it also delivers many of the same benefits as more expensive tree nuts, such as improving cholesterol and lowering risk of heart disease. Peanut butter delivers heart-healthy mono- and polyunsaturated fats, vitamin E and zinc. Look for natural peanut butter (a brand that has just peanuts – and salt, if you insist – as the ingredients) to avoid partially hydrogenated oils and sugar.

9. Apples

28 cents

cost per serving (1 apple)

Apples don’t have megadoses of any one vitamin or mineral to boast about – although they have some vitamin C – but several research studies suggest apples have tangible benefits for your heart. The latest one, out of Florida State University, showed that people who ate the equivalent of two apples daily for a year improved these markers. Researchers think it’s a combination of the pectin, a type of fiber, and polyphenols that makes apples so good for you.

10. Eggs

17 cents

cost per serving (1 egg)

For such a small and inexpensive food, eggs pack in a lot of nutrition. The whites are brimming with protein – 4 grams per egg – while the yolks deliver some vitamin D plus lutein and zeaxanthin, which lowers the risk of age-related macular degeneration, a disease that affects one in eight Americans with vision loss and sometimes blindness. All that for 80 calories.

11. Carrots

32 cents

cost per serving (1 cup)

Sweet potatoes get a lot of love for being a superfood but so should the carrot. After all, they’re both orange, which means they both deliver beta carotene, a type of vitamin A. A cup of carrots actually delivers four times the DV of vitamin A, which helps build bone and contributes to immune function.

12. Cabbage

27 cents

cost per serving (1 cup)

Like kale, cabbage is a cruciferous vegetable and diets rich in cruciferous vegetables are linked to lower rates of cancer. It’s also an excellent source of vitamins C and K, and delivers fiber and detoxifying sulfur compounds. Red cabbage also boasts anthocyanins, an antioxidant thought to keep your heart healthy and brain sharp. Plus it’s very low in calories (22 per cup).