4 Types of Nuts You Should Buy Organic

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Buying organic nuts can protect you from the potentially harmful effects of GMOs and pesticides.
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Nuts are super-nutritious snacks: They offer healthy fats, plant-based protein, fiber and a slew of vitamins and minerals that provide you with quick energy without any empty calories.

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They have also been linked to a lower risk of heart disease, according to a November 2017 study in the Journal of the American College of Cardiology.

But quality can vary. When shopping for nuts, you may have come across organic and non-organic versions. This may cause you to ask questions like, "Do almonds need to be organic?" or "Do walnuts need to be organic?"

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Why Organic Matters When It Comes to Nuts

Unlike conventionally grown foods, organic foods have the benefit of being grown without commercial or man-made pesticides, herbicides and fertilizers. They also are not allowed to be genetically modified in any way, according to California Certified Organic Farmers.

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Genetically modified organisms (GMOs) or foods are linked to allergies and antibiotic resistance, per the Center for Food Safety. Buying organic also protects consumers from potentially harmful side effects of pesticides, and some pesticides have been linked to cancer and hormone issues, as reported by the Environmental Protection Agency. Organic foods can be identified by the USDA Organic seal.

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Like most plants, nuts can be subject to the potentially harmful effects of pesticides and GMOs. Here are the most important nuts to buy organic.

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1. Almonds

Many pesticide residues have been reported on conventionally grown almonds, according to the Pesticide Action Network North America. The use of insecticides and herbicides on California almonds both increased between 1996 and 2010, and this may have a negative effect not only on human health but also the health of the environment, as reported by a February 2014 study in The Science of the Total Environment.

Buy Organic Almonds

  • 365 by Whole Foods Market, 10-oz. bag ($8.29, Amazon)
  • Food to Live raw organic almonds, 2-lb. bag ($23.49, Amazon)
  • Terrasoul Superfoods raw unpasteurized organic almonds, 2-lb. bag ($25.99, Amazon)

2. Cashews

Cashews are another nut that may have a higher pesticide load than others. Dozens of pesticides, herbicides, insecticides and fungicides have been found to be used on cashews grown in Cote D'Ivoire, a country in West Africa that's one of the leading cashew producers, according to a November 2020 research in the International Journal of Developmental Research. Some growers use non-conventional pesticides, which are linked to health risks to humans and the environment.

Buy Organic Cashews

  • Navitas Organic Whole Cashews, 16 oz. ($14.99, Amazon)
  • Yupik Organic Raw Cashews, 2.2 lbs. ($21.03, Amazon)
  • Elan Organic Raw Cashews, 8-pack ($56, Bubble Goods)

3. Pistachios

Dozens of insecticides and pesticides are used on conventionally grown pistachios, per the University of California Agriculture and Natural Resources. One type of pesticide used on pistachios called phosmet is linked to cancer, neurodevelopment harm and reproductive toxicity, according to the nonprofit Earth Justice.

Buy Organic Pistachios

  • True California Organic Raw In-Shell Pistachios, 1 lb. ($19.99, Amazon)
  • Nichols Farms Organic In-Shell Pistachios Roasted With Sea Salt, 2 lbs. ($35.99, Amazon)
  • Elan Organic Sea Salted Pistachios, 8-pack ($60, Bubble Goods)

4. Peanuts

Peanuts are actually not a nut, but a member of the legume family, which also includes peas, beans and lentils. Unlike tree nuts, peanuts are grown underground, according to the National Peanut Board. This makes them especially susceptible to mold and fungi from moist soil, as well as increased exposure to pesticides that get absorbed into the soil.

Peanuts are also prone to developing a family of toxins called aflatoxins, which are a known carcinogen, according to the National Cancer Institute. Buying organic peanuts reduces exposure to pesticides and may create healthier soil to protect their growth.

Buy Organic Peanuts

  • MiNU Organic Unsalted Dry-Roasted Peanuts, 1 lb. ($14.99, Amazon)
  • Aurora Products Organic Peanuts, Roasted & Unsalted, 10 oz. ($3.14, Amazon)
  • Santa Cruz Organic Crunchy Light Roasted Peanut Butter ($5.79, Amazon)

What About Walnuts?

Walnuts have a very hard outer shell that offers protection from pesticides and other chemicals used on conventionally grown varieties. Conventionally grown walnuts have shown little pesticide residue on the shelled nut, according to the food advocacy organization FoodPrint.

No significant health risk was found from walnut pesticide residue, according to a February 2016 study in Chemosphere. But pesticides used in any non-organic farming are still hazardous to farmers and to the local environment.

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