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Jennifer A Smith / Moment / Getty Images

By Anne Danahy, MS, RDN

Purple potatoes are the eye-catching gems of the potato aisle.

Like other members of the potato family (Solanum tuberosum), they come from a tuber plant native to the Andes mountain region in South America.

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Eskay Lim / EyeEm / Getty Images

By Kaitlyn Berkheiser

Pinto beans are the most popular dried beans in the U.S.

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EcoWatch Daily Newsletter

Dimitri Otis / DigitalVision / Getty Images

By Ariane Lang, BSc, MBA

Coffee and tea are among the world's most popular beverages, with black tea being the most sought-after variety of the later, accounting for 78% of all tea production and consumption (1Trusted Source).

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Black rice. storebukkebruse / Flickr / CC BY 2.0

By Kelli McGrane, MS, RD

Also called forbidden or purple rice, black rice is a type of rice that belongs to the Oryza sativa L. species.

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Werner Rebel / EyeEm / Getty Images

By SaVanna Shoemaker, MS, RDN, LD

Sage tea is an aromatic infusion made from the leaves of common sage (Salvia officinalis), an herb in the same family as mint.

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Pexels

By Audur Benediktsdottir, MS

Pistachio nuts are not only tasty and fun to eat but also super healthy.

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syaber / iStock / Getty Images

By Ansley Hill, RD, LD

Quince (Cydonia oblonga) is an ancient fruit native to various parts of Asia and the Mediterranean.

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Pixabay

By Anne Danahy, MS, RDN

Coconut is the fruit of the coconut palm (Cocos nucifera).

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Pexels

By Franziska Spritzler, RD, CDE

Inflammation can be both good and bad.

On one hand, it helps your body defend itself from infection and injury. On the other hand, chronic inflammation can lead to weight gain and disease.

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AnnaPustynnikova / iStock / Getty Images

By Lauren Panoff, MPH, RD

Medjool dates are a variety of dates enjoyed for their natural sweetness. They're larger, darker, and more caramel-like in taste than other common types like Deglet Noor.

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Burak Karademir / Moment / Getty Images

By Katey Davidson, MScFN, RD

Though juice is enjoyed around the world, it's a controversial beverage.

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Purple and green okra. Liza / Flickr / CC BY 2.0

By Natalie Rizzo, MS, RD

Okra is a flowering plant known for its edible seed pods. It's cultivated in warm and tropical climates, such as those in Africa and South Asia.

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Pexels

By Kelli McGrane, MS, RD

Low carb diets have been linked to several impressive health benefits.

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Pixabay

By Jillian Kubala, MS, RD

Cherries are one of the most beloved fruits, and for good reason.

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Oksana Khodakovskaia / iStock / Getty Images

By Jillian Kubala, MS, RD

The loquat (Eriobotrya japonica) is a tree native to China that's prized for its sweet, citrus-like fruit.

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Nuttaya99 / iStock / Getty Images

By Maria Zamarripa

Noni juice is a tropical drink derived from the fruit of the Morinda citrifolia tree.

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Buckwheat is a grain-like seed that's unrelated to wheat and gluten-free. Marco Verch / Flickr / CC BY 2.0

By Rachael Link, MS, RD

Gluten is a protein found in wheat, barley and rye. It provides elasticity, allows bread to rise and gives foods a chewy texture.

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Cacao Beans + Cacao Nibs in the Vitamix. WILL POWER / Flickr / CC BY 2.0

By Jillian Kubala, MS, RD

Cacao nibs are small pieces of crushed cacao beans — or cocoa beans — that have a bitter, chocolatey flavor.