: Dozens of different insecticides and pesticides are commonly used on conventional pistachios, some of which have been linked to health concerns like cancer in animal studies.
Foods to Buy Organic: Beyond the Dirty Dozen - Go Dairy Free which nuts to buy organic
If your budget is limited, these nuts generally have lower reported chemical residues: : Dozens of different insecticides and pesticides are
When deciding which nuts are most worth the extra cost of organic, experts generally recommend prioritizing those with the or those prone to absorbing chemicals due to high oil content . While many nuts have hard shells that offer some protection, they are often sprayed with pesticides and fungicides after being shelled to prevent spoilage during storage. Highest Priority for Organic Highest Priority for Organic : Despite their hard
: Despite their hard shells, walnuts are often "saturated" with chemicals because they face many pest issues. Their high oil content (roughly 65%) also makes them particularly prone to absorbing fat-soluble pesticide sprays once they are cracked open. Lower Priority / "Safer" Conventional Options
: Technically a legume, peanuts grow underground in moist soil, making them highly susceptible to mold (like aflatoxin) and fungi. They are often heavily treated with pesticides that can be absorbed directly into the soft, permeable shell.